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the common air pollutants and their ill effects are-

1)Carbon Monoxide (CO)Fuel combustion from vehicles and engines.

Reduces the amount of oxygen reaching the body’s organs and tissues; aggravates heart disease, resulting in chest pain and other symptoms.

2)Ground-level Ozone (O3)Secondary pollutant formed by chemical reaction of volatile organic compounds (VOCs) and NOx in the presence of sunlight.

Decreases lung function and causes respiratory symptoms, such as coughing and shortness of breath, and also makes asthma and other lung diseases get worse.

3)Lead (Pb)Smelters (metal refineries) and other metal industries; combustion of leaded gasoline in piston engine aircraft; waste incinerators (waste burners), and battery manufacturing.

Damages the developing nervous system, resulting in IQ loss and impacts on learning, memory, and behavior in children. Cardiovascular and renal effects in adults and early effects related to anaemia.

4)Nitrogen Dioxide (NO2)Fuel combustion (electric utilities, big industrial boilers, vehicles) and wood burning.

Worsens lung diseases leading to respiratory symptoms, increased susceptibility to respiratory infection.

5)Particulate Matter (PM)This is formed through chemical reactions, fuel combustion (e.g., burning coal, wood, diesel), industrial processes, farming (plowing, field burning), and unpaved roads or during road constructions.

Short-term exposures can worsen heart or lung diseases and cause respiratory problems. Long-term exposures can cause heart or lung disease and sometimes premature deaths.

6)Sulfur Dioxide (SO2)SO2 comes from fuel combustion (especially high-sulfur coal); electric utilities and industrial processes as well as natural occurences like volcanoes.

Aggravates asthma and makes breathing difficult. It also contributes to particle formation with associated health effects.

it is very long but thanks for help

(3×3×3×3×3×3×3×3)÷(3×3×3×3×3×3×3×3×3) = 1/3

She can use the the SGSY swarnajayanti gram swarozgar yojana is a measure that they provide bank credits and gives government assist with low interest

There is one majordifference betweenaROMand aRAMchip. AROMchip is non-volatile storage and does not require a constant source of power to retain information stored on it. ... Writing data to aROMchip is a slow process, whereas writing data to a RAMchip is a faster process.

ALUvsCU. Summary:Difference Between ALU and CUis that arithmetic logic unit, another component of the processor, performs arithmetic, comparison, and other operations. While control unit is the component of the processor that directs and coordinates most of the operationsin thecomputer.

2)Hard DiskDrives, or HDDs allow the operating system to read data and, store or write data very rapidly. ... The headof a CDis a laser. It “burns” little microscopic dots on a mirror like layer that is protected under the clear plastic on theCD.

yes this is the right answer

TIN number A L U and

eye this is the right answer

The correct answer isROM - It stands for Read Only Memory.RAM-It stands for Random Access Memory

this is the right answer

Read only memory and ram random access memory

Ram stands for random access memory.Ram reference to read and write memory.information can be written into and read from Ram stand for random access memory it keeps the data permanently.it is non volatile In nature.it retain the data even when a computer is switched off

peasent produce is right answer

The doctrine of salvation of the Catholic Church against which Luther revolted held thatsalvation was through knowledge and the Sacraments. But mere intellectual belief in ametaphysical God and a religious system which turned the Gospel into a philosophy made noappeal to Luther. He rejected the whole system of abstractions, and instead of beginning with thelogical concepts of the Schoolmen, he began with a living Person of Jesus Christ, in all Histenderness and mystery, and through Him turned his eyes to the Father revealed in Christ.

(a)Woodblock print only came to Europe after 1295.(b)Martin Luther was in favour of print and spoke out in praise of it.©The Roman Catholic Church began keeping an Index of Prohibited Books from the mid-16th century.(d)Gandhi said the fight for Swaraj is a fight for liberty of speech, liberty of the press and freedom of association.

1st Distance D1 = 30 km

2nd Distance D2 = 70 km

The time taken to travel 30 km (D1) is 30 km/hr.

The average speed to travel the whole 100 km is average 40km/hr.

Average speed = (Distance 1+Distance 2)/(Time 1+ Time 2)

40 = 100/(1+Time 2)

40( 1 + time 2) = 100

40 + 40 T2 = 100

40 T2 = 100 - 40

40 T2 = 60

T2 = 60 / 40 = 1.5 km/hr

Speed for 70 km = Distance 2 /Time 2

Speed = 70/1.5 = 46.6

Speed for 70 km is 46.6 km/hr

Let the speed of the train of the next 70 km be X km/hr.

So, (30+X)/2= 40

Or,30+X = 80

Or, X=50

The train must travel the next 70 km at 50 km/hr for the next 70 km/hr.

The displacement of an object is the product of speed and time.

c) displacement reaction

When Iron nail (Ferrum) is dipped in Copper sulphate (CuSO4) there takes reaction between them and coppersulphate change its color from blue to light green. This shows Iron is more reactive than Copper, it can replace Copper from CuSO4.Its a type of Displacement reaction.

(C) is correct option

The length of road per 100 sq km of area is known as density of roads.Advantages of roadways over railways are(i)Construction cost of roads is much lower than railway lines.(ii) Roads can be constructed easily in hilly terrains and undulating topography.(iii)Roadways act as a feeder to other modes of transport, as they provide a link between railway stations, air and sea ports.(iv)Road transport is economical in transportation of few persons and relatively smaller amount of goods over short distances.Thus, it can be concluded that roadways still have an edge over railways in India.

The Peninsular plateau is a tableland and is composed of the old crystalline, igneous and metamorphic rocks. It was formed due to the breaking and drifting of the Gondwana land. It has broad and shallow valleys and rounded hills. It consists of two broad divisions Central highlands and Deccan Plateau. The eastward extensions of this plateau are locally known as the Bundelkhand and Baghelkhand.The two broad divisions of peninsular plateau and their characteristics are

• Central Plateau

1. This division lies to the north of the Narmada.

2. Southwest to northeast is the direction of flow of rivers.

• Deccan Plateau

1. This division lies to the south of the Narmada.

2. West to east is the direction of flow of rivers in this division.

Antibiotics, also known as antibacterials, are medications that destroy or slow down the growth of bacteria. They include a range of powerful drugs and are used to treat diseases caused by bacteria. Antibiotics cannot treat viral infections, such as cold, flu, and most coughs.

Antibiotics, also known as antibacterials, are medications that destroy or slow down the growth of bacteria. They include a range of powerful drugs and are used to treat diseases caused by bacteria. Antibiotics cannot treat viral infections, such as cold, flu, and most coughs.

Antibiotics, also known as antibacterials, are medications that destroy or slow down the growth of bacteria. They include a range of powerful drugs and are used to treat diseases caused by bacteria. Antibiotics cannot treat viral infections, such as cold, flu, and most coughs.

Fermentationis the process in which a substance breaks down into a simpler substance. Microorganisms like yeast and bacteria usually play a role in thefermentationprocess, creating beer, wine, bread, kimchi, yogurt and other foods.Fermentationcomes from the Latin word fermentare, meaning “to leaven

Antibiotics,also known as antibacterials,are medications that destroy orslow down the growth of bacteria.They include a rang of powerful drugs and are used to treat diseases caused by bacteria.Antibiotics cannot treat viral infections,such as cold,flu and most coughs.

1. broad spectrumAbroad-spectrumantibioticis anantibioticthat acts on the two major bacterial groups,gram-positiveandgram-negative,or any antibiotic that acts against a wide range of disease-causingbacteria.These medications are used when a bacterial infection is suspected but the group of bacteria is unknown (also calledempiric therapy) or when infection with multiple groups of bacteria is suspected. This is in contrast to anarrow-spectrum antibiotic, which is effective against only a specific group ofbacteria. An example of a commonly used broad-spectrum antibiotic isampicillin. 2.ferm

Abroad-spectrumantibioticis anantibioticthat acts on the two major bacterial groups,gram-positiveandgram-negative,[1]or any antibiotic that acts against a wide range of disease-causingbacteria.[2]These medications are used when a bacterial infection is suspected but the group of bacteria is unknown (also calledempiric therapy) or when infection with multiple groups of bacteria is suspected. This is in contrast to anarrow-spectrum antibiotic, which is effective against only a specific group ofbacteria.. An example of a commonly used broad-spectrum antibiotic isampicillin.2.fermentationFermentationis ametabolicprocess that produces chemical changes in organicsubstratesthrough the action ofenzymes. Inbiochemistry, it is narrowly defined as the extraction of energy fromcarbohydratesin the absence of oxygen.The science of fermentation is known aszymology.3. antibioticsAnantibioticis a type ofantimicrobialsubstance active againstbacteriaand is the most important type ofantibacterial agentfor fightingbacterial infections. Antibioticmedicationsare widely used in thetreatmentandpreventionof such infections.]They may eitherkillorinhibit the growthofbacteria. A limited number of antibiotics also possessantiprotozoalactivity.Antibiotics are not effective againstvirusessuch as thecommon coldorinfluenza; drugs which inhibit viruses are termedantiviral drugsor antivirals rather than antibiotics.

who is the prime minster of india

Goa has highest and bihar has Lowes tper capita income

divundib set in zest independent Yamamoto i.e. evil Bach Winston

1) MGNREGA - Mahatma Gandhi National rural employment guarantee act. 2)PMRY - prime minister rozgar Yojana. 3)SGSY - Swarna jayanti gram swarozgar Yojana.

1 E2 G3 B4 F5 C6 A7 D

Gujjar Bakarwals:Gujjar Bakarwals live in the mountains of Jammu & Kashmir. They herd goat and sheep. They migrated to this region in the nineteenth century and established in this area. They move between their winter and summer grazing grounds every year. During winter the high mountains are covered with snow. During this season, they move to the low hills of the Shiwalik. By the end of April, they begin their march towards higher mountains.

Gaddi:The Gaddi shepherds live in Himachal Pradesh. They also spend winter in the low hills of the Shiwalik. By April, they move towards north to spend summers in Lahul and Spiti.

Gujjar:The Gujjar cattle herders live in Garhwal and Kumaon. During winter, they come down to the dry forests of the bhabar. During summer, they go up to the high meadows, the bugyals. Many of them migrated from Jammu to the hills of UP in the nineteenth century.

Bhotiyas, Sherpas and Kinnauris are some other pastoral communities of the Himalayas which also follow the cyclical movement between and summer and winter pastures.

Dhangars:Dhangars were important pastoral community of Maharashtra. Their population was estimated to be 467,000 during the early twentieth century. Most of them were shepherds, but some were blanket weavers and some others were buffalo herders. During monsoon, the Dhangars used to stay in the central plateau of Maharashtra. Apart from herding their animals, they also used to grow bajra. By October, they used to harvest their bajra and started their march to west to reach Konkan.

They were welcomed by the Konkani peasants. Dhangar flocks fed on the stubble and manured the fields with their dung. They also took rice from the Konkani farmers and took the rice to the plateau where grain was scarce.

Gollas:The Gollas lived in the plateaus of Karnataka and Andhra Pradesh. They were cattle herders.

Kurumas and Kurubas:The Kurumas and Kurubas also lived in Karnataka and Andhra Pradesh. They reared sheep and goats and sold blankets. They used to live near the forest and cultivated on small patches of land. They were also engaged in petty trades.

For the pastoralists of the central plateau, it was the alteration of monsoon and dry season which governed their seasonal migration. They used to move to the coastal areas during dry seasons, and go back to the central plateaus during monsoon.

Banjaras:The Banjaras lived in villages of Uttar Pradesh, Punjab, Rajasthan, Madhya Pradesh and Maharashtra. They used to move long distances in search of good pastureland. They sold plough cattle and other items in exchange for grain and fodder.

Raikas:The Raikas lived in the deserts of Rajasthan. During the monsoons, the Raikas of Barmer, Jaisalemer, Jodhpur and Bikaner used to stay in their home villages because pasture was available. By October, they used to move in search of other pasture and water. They returned again in the next monsoon. The Maru (a group of Raikas) herded camels and another group reared sheep and goat.

The life of these pastoral groups was affected by various factors. The length of their stay in a particular area depended on the availability of pasture and water. They needed to have good knowledge of geography and meteorology to plan their movement. They also had to establish relationship with farmers on the way for mutual benefit.

Pastoralism is the branch of agriculture concerned with the raising of livestock.

Nomads live in arid and semiarid parts ofAfrica,Asia, andEurope, and in thetundraregions ofAsiaandEurope. InAfrica, nomads herd cattle, goats, sheep, and camels. In thetundra, they usually herd domesticated reindeer. Other animals managed by nomadic herders include horses, musk-oxen, and yaksNomadic pastoralismis a form ofpastoralismwhen livestock areherdedin order to find fresh pastures on which to graze. Theherded livestock include cattle, yaks, sheep, goats, reindeer, horses, donkeys or camels, or mixtures of species.

Coming of the rinderpest to Africa :Rinderpest a fast spreading disease of cattle plague. It was brought to Africa by European in late 1880s.It spread westward 'like forest fire' destroying almost 90% of African cattle wealth. It destroyed the livelihood of the Africans and paved the way for conquest of Africa.(iii)After the First World War, most men of working- age were either maimed or dead. These deaths and injuries reduced the workforce of able bodied people. With fewer members in the family, household incomes declined after the war.

In the drier parts of Asia, especially Southwest Asia, most rural people make a living by raising livestock. Many are nomads who move with their herds of animals over large territories, constantly seeking good supplies of grass and water. The people live simply and carry their tents and belongings with them. They rear animals such as goats, sheep, camels, and yaks.

any another answer

Depending upon which nomad group is being referred to, there may be a variety of reasons for their nomadic lifestyle. In no particular order:

Follow the animals. Some nomads depend on migrating animals for their food and clothing supply. Where the animals (like buffalo or elk) migrate, the people must follow.

Trade. Many nomadic peoples were (are) involved in trading as a means of supply. They will move from city to city or civilization to civilization with goods to barter. This will provide them with a substantial income in order to buy what they need.

Seasonal vegetation. Dry season vs. wet season. Cold vs. warm. Folks have to have water and vegetable growth to survive. Moving with weather patterns is vital for survival in order to have water and plant life. Some nomadic tribes move to avoid the very cold weather of the northern areas and find more comfort in the southern regions.

No knowledge of permanent settlement technology. Some nomadic groups simply do not have the knowledge or technology to develop agriculture, forcing them into a migratory lifestyle: see #1 and #3 above. And, believe it or not, some may actually prefer not to settle down and maintain their traditional economy: see #2.

option (A) is correct.

The British rulers in India were credited with introduction of new concept of generalised private property in Indian legal system.

Wide number of conflict could be seen and the land taxes are financed colonial conquest with the rule in the Indian country.

Nature of property rights in Britain held by person in land determined the extent to which form in which he was subject on taxation.

New developments in agriculture made many of the achievements of the Cholas possible. The river Kaveri (which was a part of the regions controlled by the Cholas) branches off into several small channels before entering the Bay of Bengal. The overflowing of the channels deposits fertile soil on their banks and also the water from them provides moisture needed for agriculture, particularly for rice crop. Only in the fifth and sixth century large scale agriculture was started in Tamil Nadu. For this purpose forests were cleared in some regions and land was levelled in some areas. Flooding in the delta region was prevented by building embankments and canals were constructed for carrying water to the fields. Two crops were grown annually in many areas.

option 4 is correct answer

option (b) is the right answer

option 2is correct answer

120 is the best or correct answer

120 is right answer.

120 it is right answer

Indigo cultivation was started by the French in St Dominique in the Caribbean islands. Similarly, the Portuguese began indigo cultivation in Brazil, the British in Jamaica and the Spanish in Venezuela. Indigo plantations were also started in many parts of North America.

By the end of the eighteenth century, industrialization began in Britain and cotton production expanded manifold. This created an enormous demand for cloth dyes. The existing supplies of indigo from the West Indies and America collapsed due to various reasons. The indigo production in the world fell by half between 1783 and 1789. This meant that there was increasing demand for Indian indigo.

The Company looked for ways to expand the area under indigo cultivation in India. From the last decades of the eighteenth century, indigo cultivation in Bengal rapidly expanded. Only about 30% of indigo imported to Britain in 1788 was from India. This figure went up to 95% by 1810.

Commercial agents and officials of the Company began investing in indigo production to increase their profit. Many Company officials even left their jobs to look after their indigo business. Many people from Scotland and England came to India and became planters; to grab the opportunity. The Company and banks were giving loans for indigo cultivation at that time.

I'm sorry I don't know the answer

d is the answer for that

D) is the correct answer

(d) is the correct answer.

d) is the correct answer of the following

AnActto consolidate the law relating toforests, the transit offorest-produce and the duty leviable on timber andother forest-produce is a forest act

Forest villageswere fewvillageswhich were allowed to stay on in the reservedforestson the condition that thevillagersworked free for theforestdepatment in cutting and transporting trees, protecting theforestfrom fires.

Ans :-

(a) The Forest Act in India was enacted in 1865.(b) The 1878 Act divided forests into three categories: Reserved, Protected and Village forests. The best forests were called ‘reserved forests’.

(c) Effects of the amendment of Forest Act on the lives of the villagers :(i) The Forest Acts created many problems for the villagers. Their daily practices cutting wood for their houses, hunting, fishing and collecting fruits now became illegal.(ii) People were forced to steal wood from the forests and if caught, were at the mercy of the forest guards.(iii) Women, who generally collected fuelwood were especially vulnerable.(iv) It was common for police constables and forest guards to harass people.

(a) The Forest Act in India was enacted in 1865.(b) The 1878 Act divided forests into three categories: Reserved, Protected and Village forests. The best forests were called ‘reserved forests’.

(c) Effects of the amendment of Forest Act on the lives of the villagers :(i) The Forest Acts created many problems for the villagers. Their daily practices cutting wood for their houses, hunting, fishing and collecting fruits now became illegal.(ii) People were forced to steal wood from the forests and if caught, were at the mercy of the forest guards. (iii) Women, who generally collected fuelwood were especially vulnerable. (iv) It was common for police constables and forest guards to harass people.

There are so many problems occuring due to forest act:

1.The villagers are facing a lack of "Wood".

2.Shortage of leaves which they use to blow fire and keep themselves warm in the winter.

3.Leaves are also used to feed the cattle.

4.Less rainfall is occuring due to less number of trees.

5.So,For all the reasons mentioned above,Pollution is also Increasing.

(1 h 15 m 20 s)*4=4 h 60 m 80 s=5 h 1 m 20 s(because 60s=1m and 60m =1h)

Hydroelectric plantHydroelectric plant has the least cost of operation.

Step-by-step explanation:

Given , data about a total of 200 patients in different age groups ho have

visited the hospital.

If we summarize the given data in the table, along side Less than cumulative frequency C.I. No of patients less than cf 10-20 40 40

20-30 32 72

30-40 35 107

40-50 45 152

50-60 33 185

60-70 15 200

Clearly, 100th patient all in the 30-40 Age group,

SO if we consider 30-40 as out median class,

From the formula of median , M = L + (N/2 - C)*w/f where

L = lower boundary of the median class = 30

N = total frequency = 200

C = cumulative frequency of the class preceding the median class = 72

f = frequency of the median class = 35

w = width of the median class i.e. upper boundary - lower boundary = 10

Thus, Median = 30 + (200/2 - 72)*10/35

= 30 + 28*10/35

= 30 + 8

= 38.

Hence, Median of the ages of the patients = 38.

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here the answer a = 5and b = 71

the correct answer is B

1 ka answer opt(3) 5 h2ka answer opt(2) 71 h

(3) 5 होगा रिक्त स्थान में !

1 option 3 (5)2 option 2(71) iscorrect answer

1--- (3)52----(2)71

here the answer is a=5 b=71

Deurbanisationis the physical decline in theurban populationas a result of economic orsocial change. Deurbanization is commonly defined differently fromsuburbanizationbecause it describes amigrationto rural previously uninhabited regions that had lowpopulation density, not to the outer or surrounding regions of the city as defined by suburbanization.

Droughts happenwhen there is not enough rain for a long period of time.

A drought is a scarcity of water.

Lack of rainfall (or precipitation)Droughts can occur when there is the lack of ‘expected’ precipitation (rain and snow). Note that we say ‘expected’ because the lack of rain alone does not mean a drought. Some regions can go for months without any rain, and that would be ‘normal’ for them. Farmers plant in anticipation of rains and so when the rains do not come, and irrigation infrastructure is absent, agricultural drought occur.

Surface water flowSome regions are also well distributed with surface water (streams and rivers) that have their sources from far away mountains and watersheds. These surface waters may dry out if the flow from their sources upstream is affected. Hydro-electric dams and irrigation systems are some of the economic activities that can reduce the amount of water flowing to other areas downstream.

Human factorsForests (trees) play a key role in thewater cycle, as they help reduce evaporation, store water and also contribute to atmospheric moisture in the form of transpiration. This means, cutting down trees (deforestation)in the name of economics, will expose surface water to more evaporation. It will also reduce the ability of the ground to hold water and make it easier for desertification to occur. It can set off drying conditions, especially for smaller water bodies. Cutting down trees is known to reduce a forest’s watershed potential.

Global WarmingEven though some people do not accept that the average temperature of the earth has risen, it is on record that human actions have contributed to moregreenhouse gassesin the atmosphere. As a result, there are warmer temperatures, often resulting in more dryness and bush fires. These conditions also tend to speed up drought conditions.

The effects of drought are widespread and have devastating effects on the environment and the society as a whole. Water use is part and parcel of almost every human activity as well as the life of plants and animals. On this basis, extended deficiency of water can affect the society in various ways both directly and indirectly. The effects can therefore generally be categorized as environmental, economic, and social.

Parts of Rajasthan, Gujarat and the leeward side of the Western Ghatsare drought-prone because:

Parts of Rajasthan, Gujarat and the leeward side of the Western Ghats are drought prone because they receive scanty rainfall. Even during the monsoon months the monsoon winds when rising over the Western Ghats give rain to that area. By the time they reach Rajasthan and Gujarat there is very less moisture left in these winds and so these areas are drought prone.