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13001.

✌✌hello !! pls answer this friends.....✌✌List out the waste and harmful substances that should be removed from river water to make it fit for drinking. Suggest the separation methods for removing these waste substances.best and most simple ans will be marked as brainliest.....

Answer»

HEY MATE..............

Water treatment is any PROCESS that improves the quality of water to make it more acceptable for a specific end-use. The end use may be drinking, industrial water supply, irrigation, river flow maintenance, water recreation or many other uses, including being safely returned to the ENVIRONMENT. Water treatment removes contaminants and undesirable components, or reduces their concentration so that the water becomes FIT for its desired end-use.

Physical contaminants primarily impact the physical appearance or other physical properties of water. Examples of physical contaminants are sediment or organic material suspended in the water of lakes, RIVERS and streams from soil erosion.

Chemical contaminants are elements or compounds. These contaminants may be naturally occurring or man-made. Examples of chemical contaminants include nitrogen, bleach, salts, pesticides, metals, toxins produced by bacteria, and human or animal drugs.

Biological contaminants are organisms in water. They are also referred to as microbes or microbiological contaminants. Examples of biological or microbial contaminants include bacteria, viruses, protozoan, and parasites.

Radiological contaminants are chemical elements with an unbalanced number of protons and neutrons resulting in unstable atoms that can emit ionizing radiation. Examples of radiological contaminants include cesium, plutonium and uranium.

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13002.

Five sentence of rain

Answer»

1.Rain is the best resource of WATER mainly in rural areas.
2.Rain water HELPS to generate electricity.
3.This MAKES the ENVIRONMENT CLEAN .
4.provide us a cool environment.
5.Uses in fields for irrigation.
----i hope it helps you a little bit---

13003.

What is brain? ​

Answer»

ANSWER:

BRAIN is an Central control of the BODY by which the body is controlled

HOPE it HELPED you

13004.

Classify the following as Herb, Shrub and Tree.Lemon, Banana, Peepal, Rose Plant, sunflower, Banyan​

Answer»

ANSWER:

herb....

shurb.... lemon, rose PLANT, sunflower

tree.... banana, peepal, BANYAN

13005.

Q1. What is angle of incidence?​

Answer»

Answer:

the ANGLE which an incident LINE or RAY makes with a PERPENDICULAR to the surface at the point of incidence.

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Explanation:

13006.

How do you think some people are able to use the keyboard without looking at it​

Answer»

Answer:

there could be 2 REASONS 1 is that they r HABITUAL and the 2 could be the PRACTICE

13007.

Please give answer for previous question It's important ​

Answer»

ANSWER:

can you give PREVIOUS question

Explanation:

because previous question I can't answer

sorry

13008.

PVC is aat thermoplastic(c) plastic(b) thermosetting plasticd) all of the above​

Answer»

ANSWER:

THERMOPLASTIC is your answer

13009.

Suggest two ways of converting transparent plastic sheet into translucent sheet.​

Answer»

Answer:

The light that passing through the sheet in an uniform way makes the sheet transparent, so better make the light to scatter away from the sheet. You can PROBABLY USE a sand paper or heating METHOD over the sheet to make it TRANSLUCENT. The second way is a simple one, use some edible oil over the sheet.

Explanation:

hope it's helpful

13010.

6. The root, stem and leaf constitute thepart of the plant body.(a) Vegetative (b) Reproductive (c) Both a & b (d) None.​

Answer»

ANSWER:

a is the CORRECT answer...

13011.

What is called 1 meter?​

Answer»

EXPLANATION:

METRE is a UNIT of length.

1m=100cm

1000m=1km

13012.

Why is the sun ultimate Source of ​

Answer»

ANSWER:

The sun is considered the primary energy SOURCE SINCE it is the source of nearly all the EARTH's energy. Plants PRODUCE food using sunlight, and the food we get from plants and animals also has its primary sunlight source

13013.

Please give me all answer of the questionsplease answer me fastest and don't send rabish answer plzzzzzz ​

Answer»

Answer:

1. Air is important for LIVING things.

Breathing is part of a process called respiration. During respiration, a living thing takes in OXYGEN from the air and gives out carbon dioxide. This process gives animals and plants the energy to eat, grow, and live life!

2. Plants cannot themselves obtain their NITROGEN from the air but rely mainly on the SUPPLY of combined nitrogen in the form of ammonia, or nitrates, resulting from nitrogen fixation by free-living bacteria in the soil or bacteria living symbiotically in nodules on the roots of legumes.

3. As the air enters the balloon from your lungs, the air (which is a gas) takes up space in the balloon. The balloon expands because the air inside needs to take up more space. So that is how you can see that air takes up space.

4. Most of the energy emitted from the earth's surface does not go directly out to space. This emitted energy is reabsorbed by clouds and by the gases in the atmosphere. ... These gases constantly emit the sun's energy back into the atmosphere and KEEP the earth a habitable temperature.

Explanation:

hope it helps!!

13014.

What are the functions of root​

Answer»

ANSWER:

Roots absorb water and MINERALS and transport them to stems. They also anchor and support a PLANT, and STORE food.

Explanation:

HOPE it will be useful

13015.

Class 7 science chapter 10 (respiration in organisms) key words ?. .......please answer​

Answer»

AEROBIC respiration

Anaerobic respiration

Breathing rate

Cellular respiration

Diaphragm

Exhalation

Gills

Lungs

Inhalation

Spiracles

Tracheae

Ribs

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13016.

State whether the statements are true or false.i) Plants are the ultimate source of all energies,ii) Amoeba produces its food by the process of photosynthesis,iii) Acids present in large intestine kill bacteria which enter alongwith the foodiv) Wool traps more air in it than cotton,v) A medium is required for heat transfer.vi) White colour absorbs more heat than black colour.vii) The pH value of common salt solution is 8.viii) strectching of rubber band is a chemical change.ix) It is easy to predict weather rather than climate.x) Bases have pH value greater than 7.​

Answer»

Answer:

i) False (sun)

ii) False (gets FOOD by endocytosis)

iii) False (acids are present in the STOMACH which kill the bacteria in food)

iv) True

v) False (radiation is a PROCESS of transfer of heat that takes place across any medium)

vi) False (black absorbs more heat than WHITE)

VII) False (pH value of NaCl is 7, it is a neutral salt)

viii) False (it is a physical change)

ix) False (It is easier to predict climate as it is the average weather pattern but the weather changes everyday)

x) True

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13017.

SEPARAT33. How will you separate a mixture of common salt, sand and iron filings?21Name the method1​

Answer»

ANSWER:

THANKS for FREE POINTS

13018.

What is so special about the animal ​

Answer»

Answer:

It's very interesting to know :

The tuatara MAY look LIKE a lizard, but it's unique. The tuatara is not a lizard; it is the only living MEMBER of the ORDER Rhynchocephalia, which flourished around 200 million years ago. All other members of the order became extinct 60 million years ago, in the late Cretaceous period.

13019.

Factors affecting the height of the waves.Under water landslidesVolcanic eruptionWind speed and earth quakeAll of these​

Answer»

ANSWER:

WIND speed and earth quake

EXPLANATION:

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13020.

What is the best player of the online game Smash Karts?

Answer»

Answer:

for more information on the book is in a GREAT day and CANADA so much and Canada so I can be HANDLED by the book is the NUMBER itself.

13021.

Please tell fast please ​

Answer»

ANSWER:

MAY be KITCHEN...........

13022.

identity the types of chages given below and state by giving reason wheTher they belong to physical or chemicam changes​

Answer» RESEARCH shows that students frequently use the term chemical change to describe changes in physical state. Freezing and boiling are considered to be examples of chemical reactions. This depends on their conception of substance. If students regard ICE as a different substance from liquid water they are likely to classify the melting of ice as a chemical change. One STUDY found that 80% of students considered a difference in colour between the REACTANT and product evidence of chemical change. Students can consider potassium permanganate (Condy's crystals) dissolving in water to be a chemical change because of the intense difference in colour. Melting and expansion on heating were also considered to be evidence of chemical change by some students.
13023.

Name the process by which the components of following mixtures can be separated.a Sand and camphor6. Sand from gravelc. Wheat and sugard. Salt from sea waterAns. don't tell rubish ans​

Answer»

ANSWER:

C and D

Explanation:

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13024.

What are reflex action​

Answer»

Explanation:

A REFLEX action is a spontaneous ,automatic and mechanical response to stimulus or sudden action in response to something in the environment. For Ex:Blinking of eyes, MOVEMENT of diaphragm, withdrawal of HAND or foot every TIME when a needle or hot object is touched, sneezing, hunger etc. 1)Sensory(receptorors)

13025.

While explaining about deficiency disease teacher told the students that scurvy is the disease caused due to deficiency of ______​

Answer»

Answer:

Vitamin B1: Deficiency of vitamin B1 causes beriberi, that results in weak muscles and severe weight loss. Acute deficiency can lead to paralysis and CARDIAC failure. Vitamin B6: Lack of vitamin B6 causes deficiency diseases such as ANAEMIA and CERTAIN skin DISORDERS such as cracks around the mouth.

13026.

______ exerted by an object on one another is a force. ​

Answer»

Electrostatic force is a exerted by a CHARGED BODY on another changed or UNCHARGED body.

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13027.

How to geography of india has shaped its history​

Answer»

It is generally said that history is determined by chronology and geography.Geography has always played a prominent role in shaping the history. Same is true for Indian history. The GEOGRAPHICAL features of Indian subcontinent have influenced the history of country_India.

To see how geography of India has influenced her history, lets classify India into major geographical divisions.

The Himalayan Mountains

Starting from the Pamir in the extreme northwest of Ancient India, the Himalayan ranges extends towards northeast. It acts as a natural wall protecting the country from the cold arctic winds blowing from Siberia, thus, saving Northern India from extreme cold climate.

The Indo-Gangetic Plains

Irrigated by three important river systems: Indus, Ganga and Brahmaputra, this vast plain is the most fertile and productive REGION of the Indian Subcontinent.

3. The Southern Peninsula

The PLATEAU to the south of the Vindhyan Range is known as the Deccan plateau. The Deccan plateau is surrounded by the Western Ghats and the Eastern Ghats.

So, Geography always play a vital role in shaping History. It was this geography only which led to various foreign invasions into India, making it a “melting pot of NUMEROUS culture, races, religion, languages”. It also plays a key role in determining demography and economy of a region.

13028.

A dash is a tropical storm in the southern USA​

Answer»

Answer:

please FOLLOW me

Explanation:

Traditionally, AREAS of tropical cyclone formation are divided into seven basins. These include the north Atlantic OCEAN, the eastern and western parts of the NORTHERN Pacific Ocean, the southwestern Pacific, the southwestern and southeastern Indian Oceans, and the northern Indian Ocean (Arabian Sea and Bay of Bengal). The western Pacific is the most ACTIVE and the north Indian the least active. An average of 86 tropical cyclones of tropical storm intensity form annually worldwide, with 47 reaching hurricane/typhoon strength, and 20 becoming intense tropical cyclones, super typhoons, or major hurricanes

13029.

Place trace on the map jo sahi se trace karke dega usko mai brainlest bnao ga ​

Answer»

Question:

Trace on the Map:-

i)Hampi

ii)Surat

iii)Masulipatnam

iv)Thanjavur

v)Murshidabad

Answer:

"Given above in the form of pictures"

Explanation:

•Hampi

[City in Karnataka]

Hampi is an ancient village in the south Indian state of Karnataka. It’s dotted with numerous ruined temple complexes from the Vijayanagara Empire. On the south bank of the River Tungabhadra is the 7th-century Hindu Virupaksha Temple, near the revived Hampi Bazaar. A carved stone chariot stands in front of the huge Vittala Temple site. Southeast of Hampi, Daroji Bear Sanctuary is home to the Indian sloth bear.

•Surat

[City in Gujarat]

Surat is a large city beside the Tapi River in the west Indian state of Gujarat. Once known for silk weaving, Surat remains a commercial center for textiles, and the New TEXTILE Market area is lined with fabric shops. Overlooking the river, Surat Castle was built in the 1500s to defend the city against Portuguese colonists. Nearby, the Dutch, Armenian and English cemeteries contain elaborate colonial-era tombs.

•Machilipatnam

[City in Andhra Pradesh]

Machilipatnam, also known as Masulipatnam, Masulipatam, Masula, and Bandar, is a city in Krishna district of the Indian state of Andhra Pradesh. It is a municipal corporation and the administrative headquarters of Krishna district.

•Thanjavur

[City in Tamil Nadu]

Thanjavur is a city in the south Indian state of Tamil Nadu. Its many temples include the 11th-century Brihadeeswarar Temple, a vast Chola dynasty–era complex with a frescoed interior. Thanjavur MARATHA Palace is home to the centuries-old Saraswathi Mahal Library, with palm-leaf manuscripts, and Thanjavur Art Gallery, with bronze STATUES. Tamil University Museum displays COINS, folk artifacts and musical instruments.

•Murshidabad

Town in West Bengal

Murshidabad is a town in the Indian state of West Bengal. It is LOCATED on the eastern bank of the Hooghly River, a distributary of the Ganges River. It forms part of the Murshidabad district. During the 18th-century, Murshidabad was a prosperous city.

13030.

Difference between Iron rod and Wooden rod....​

Answer»

Answer:

Since iron is a good CONDUCTOR of HEAT, the heat given to the PAPER wrapped around iron readily gets TRANSFERRED to the iron ROD. On the other hand, wood is a bad conductor of heat, therefore, the heat in this case does not get transfer to the wood and the paper starts burning

13031.

एक्सप्लेन द मॉडर्न मेथड ऑफ इरीगेशन ऑफ फील्ड इरिगेटेड बाय ड्रिप इरिगेशन सेकंड स्प्रिंकलर सिस्टम​

Answer»

ANSWER:

द्रप्स सिंचाई या 'ड्रिप इर्रिगेशन' (Drip IRRIGATION या trickle irrigation या MICRO irrigation या localized irrigation), सिंचाई की एक विशेष विधि है जिसमें पानी और खाद की बचत होती है। इस विधि में पानी को पौधों की जड़ों पर बूँद-बूंद करके टपकाया जाता है। इस कार्य के लिए वाल्व, पाइप, नलियों तथा एमिटर का नेटवर्क लगाना पड़ता है। इसे 'टपक सिंचाई' या 'बूँद-बूँद सिंचाई' भी कहते हैं।

13032.

Which vitamin are in sun, apple,water.​

Answer»

Explanation:

we get vitamin D from sun

we get vitamin C from apple

water doesn't CONTAIN vitamins. it only CONTAINS MINERALS.

13033.

Write essay about importance of nature ​

Answer»

Nature is an important and integral part of mankind. It is one of the greatest blessings for human life; HOWEVER, nowadays humans fail to recognize it as one. Nature has been an inspiration for numerous poets, writers, artists and more of yesteryears. This REMARKABLE creation inspired them to write poems and stories in the glory of it. They truly valued nature which reflects in their works even today. Essentially, nature is everything we are surrounded by like the WATER we drink, the AIR we breathe, the sun we soak in, the birds we hear chirping, the moon we gaze at and more. Above all, it is rich and vibrant and consists of both living and non-living things. Therefore, people of the modern age should also learn something from people of yesteryear and start valuing nature before it gets too late.

Nature has been in existence long before humans and ever since it has taken care of mankind and nourished it forever. In other words, it offers us a protective layer which guards us against all kinds of damages and harms. Survival of mankind without nature is impossible and humans need to understand that.

If nature has the ability to protect us, it is also POWERFUL enough to destroy the entire mankind. Every form of nature, for instance, the plants, animals, rivers, mountains, moon, and more holds equal significance for us. Absence of one element is enough to cause a catastrophe in the functioning of human life.

We fulfill our healthy lifestyle by eating and drinking healthy, which nature gives us. Similarly, it provides us with water and food that enables us to do so. Rainfall and sunshine, the two most important elements to survive are derived from nature itself.

Further, the air we breathe and the wood we use for various purposes are a gift of nature only. But, with technological advancements, people are not paying attention to nature. The need to conserve and balance the natural assets is rising day by day which requires immediate attention.

Hope this helps you....

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13034.

Write an overview about political system of Indiaplease answer fasy​

Answer»

Answer:

search in GOOGLE i dont KNOW the ANS but you serach in google you can GET from here

13035.

Applies Learnt scientific Concepts in everyday life​

Answer»

ANSWER:

UMMM depends

Explanation:

if you are TALKING about INVENTING then STAYING no

13036.

What is temperature define it​

Answer»

ANSWER:

TEMPERATURE is a DEGREE of hotness or coldness which can be MEASURED by thermometer.

13037.

Cycas, betel tree, moss, jackfruit tree, mustard. What kind of plants are mentioned? Write their characteristics?

Answer»

Answer:

green trees

they MAKE their own foods

they have EAVES and ROOTS and have thick stems

Explanation:

13038.

Name the plant part which produces food name the process ​

Answer»

ANSWER:

leaves produce FOOD

the PROCESS is CALLED photosynthesis

hope it HELPS you ✌️

13039.

Why is radioactive dating important when approximating the age of Earth?Scientists can identify different life forms using index fossil records.Scientists can examine how temperature changes within Earth’s interior.Scientists can determine the order of when rocks formed on Earth.Scientists can analyze changes in chemical concentration of atmospheric gases.

Answer»

ANSWER:

is radioactive dating important when approximating the AGE of EARTH?

Scientists can identify different life forms using index fossil records.

Scientists can examine how TEMPERATURE changes within Earth’s interior.

Scientists can determine the order of when ROCKS formed on Earth.

Scientists can analyze changes in chemical concentration of atmospheric gases.

13040.

I can't agree with it voice change​

Answer»

ANSWER:

it can't be AGREED by me.

13041.

Which planet is called twin sister of earth??​

Answer»

Answer:

Venus is the second planet from the Sun. It is named after the Roman goddess of love and beauty. As the second-brightest natural object in the NIGHT sky after the MOON, Venus can cast shadows and can be, on rare occasion, visible to the naked eye in broad daylight.[15][16] Venus lies within Earth's orbit, and so NEVER appears to venture far from the Sun, either setting in the west just after dusk or rising in the EAST a bit before dawn. Venus ORBITS the Sun every 224.7 Earth days.[17] With a rotation period of 243 Earth days, it takes longer to rotate about its axis than any other planet in the Solar System by far, and does so in the opposite direction to all but Uranus (meaning the Sun rises in the west and sets in the east).[18] Venus does not have any moons, a distinction it shares only with Mercury among the planets in the Solar System.[19]Venus is the second planet from the Sun. It is named after the Roman goddess of love and beauty. As the second-brightest natural object in the night sky after the Moon, Venus can cast shadows and can be, on rare occasion, visible to the naked eye in broad daylight.

13042.

Change of plant into a tree is a change which cannot be reversed.give three more such examples.​

Answer»

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→burning, COOKING, and RUSTING

13043.

Types of acrylic fibre???​

Answer»

Explanation:

There are four main types of ACRYLIC FABRIC:

1. Acrylic. To be CONSIDERED normal acrylic fabric, this type of fiber must contain at least 85% pure acrylonitrile.

2. Modacrylic. This acrylic fiber variant is composed partially of acrylonitrile, but a variety of other polymers are ALSO used in its production. ...

3. Nytril. ...

4. Lastrile.

13044.

What is the main crop of Coorg?a) Wheatb) Coffeec) Tead) Rice​

Answer»

ANSWER:

COFFEE is the CORRECT answer.......

13045.

Differentiate between metals and non-maetals point wise atleast3 points and also their uses...​

Answer»

Answer:

METALS and non-metals are substances that can be differentiated on the basis of various physical and chemical properties. Metals are the elements that are generally hard as strong metallic bond exists between the atoms. As against non-metals are the elements which are usually soft.Generally, the elements containing 1,2 or 3 electrons in the valence shell of their structure are known as metals. While the elements with 4, 5, 6 or 7 electrons in their outermost shell are known as non-metals.

A large number of elements present in the periodic table are metals while a minority of elements in the periodic table are non-metals. Here we will understand how the various FACTORS DIFFERENTIATE the two.

Explanation:

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13046.

3.what are usesnobleof nobet metals​

Answer»

NOBLE metals USED for dental castings CONTINUE to consist of ALLOYS of gold, palladium, and silver (not a noble metal), with smaller AMOUNTS of iridium, ruthenium, and platinum. The majority are used as a backing for ceramic baking, with the rest used as inlays, onlays, and unveneered crowns

13047.

Bob pricks his finger. A signal travels from cell to cell up to his brain to register the feeling of pain. Based on the structure, what type of tissue would most likely allow this signal to travel and why?

Answer»
13048.

Sun is the source of all the energy in the world​

Answer»

Answer:

The energy of the SUN is the original source of most of the energy found on earth. We get solar HEAT energy from the sun, and sunlight can also be used to produce electricity from solar (photovoltaic) CELLS. The sun heats the earth's surface and the Earth heats the AIR above it, causing wind.

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13049.

Explain the term atmospheric press​

Answer»

Answer:

The air around you has weight, and it presses against everything it touches. That pressure is called atmospheric pressure, or air pressure. It is the FORCE EXERTED on a surface by the air above it as gravity PULLS it to Earth.

Explanation:

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13050.

Il prevent TUSUNQ.8 Draw well labelled diagram of:1. Amoeba 2. Soil profile 3. Animal cell.​

Answer»

ANSWER:

ANIMAL cell

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