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Answer:

a. global warming?

Global warming is the unusually rapid increase in Earth's AVERAGE surface temperature over the PAST CENTURY primarily due to the greenhouse gases released by people burning fossil fuels.

b. GREEN house effect.

The "greenhouse effect" is the effect of atmospheric gases like carbon dioxide absorbing energy from the sun and earth and "trapping" it NEAR the Earth's surface, warming the Earth to a temperature range that is hospitable for life.

Explanation:

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Answer:

• Out of the given NINE compounds FOLLOWING are the pure SUBSTANCES
• Ice, iron, hydrochloric acid, CALCIUM oxide, mercury are pure substances as they have definite composition.
• Milk is a colloid and acts as a heterogeneous mixture hence is not a pure substance.
• Brick and air are made up of more than one substance hence they also don’t fall in the category of pure substances.

Explanation:

Furniture
Bats,CLUBS and sticks
Plough and other tools
Houses(in some CASES)

Explanation:

Cocoons of silk MOTH are used to OBTAIN the silk fibres. These cocoons are kept under the sun or boiled or exposed to STEAM. The silk fibres is then separated. This process of OBTAINING wool from the cocoons is called REELING the silk

ANSWER:

coal BUNKER

Meaning- large container used for STORING coal outside.

ANSWER:

No PEANUTS PRESENCE STRACH

Answer:

they will MEET at 10:00 am TOGETHER. please MARK as BRAIN list

Answer:

when object is in uniform motion its path can there be a straight line, zigzag or circle path of uniform motion is independent

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good MORNING

Explanation:

The part of EAR which helps in maintaining balance of our BODY is - Inner ear ( labyrinth)..

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Explanation:

Sieving is a simple technique for separating PARTICLES of different sizes. A sieve such as used for sifting flour has very small holes. Coarse particles are SEPARATED or broken up by GRINDING against ONE another and the screen openings. ... Sieves are ALSO used to separate stones from sand.

Answer:

These are the four main CHARACTERISTICS of PARTICLES of MATTER : Particles of matter are very tiny in size. They have spaces between them. Particles of matter move constantly.

Explanation:

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Answer:

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Explanation:

Geospiza magnirostris) into three other species of finches found on the GALAPAGOS Islands. Due to the absence of other species of birds, the finches adapted to new niches. The finches' beaks and bodies changed ALLOWING them to eat certain types of foods such as NUTS, fruits, and INSECTS.

Answer:

Sericulture is the process of reading silk worms in order to produce silk fibre . This process is not CONSIDERED as eco friendly because while making silk , silk worms are BOILED under HOT water causing a threat to silk worms.Ja

Explanation:

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EXPLANATION:

Answer:

AMONG the best conductors are several EXPENSIVE METALS such as silver and gold. Copper is a GOOD conductor with a relatively low price, while aluminum is not considered a good conductor. The reason why some metals have a high conductance and low RESISTANCE is largely due to their atomic makeup. They tend to have lots of free electrons that are easy to transfer between atoms.

what is not a conductor of electricity

1 HOUR= 600 km

4 Hour = 600*4 = 2400 km

in metres,

2400*1000=2400000 metres.

Answer:

1.sedimentar,IGNESIOUS and metamorphic.

2.ignesious rock formed when magma (molten rock) cools and crystalizes ,either at volcanoes on the surface of the earth or while the melted rock is still inside the crust.

3.metamorphic rock are formed by the other Rock that are changed because of heat or pressure .they don't melt but the minerals they contain are changed chemically forming metamorphic rock.

4.minerals are naturally occurring substances that have certain physical properties and definite chemical composition.

they are useful by the following ways: -

*copper is used in electrical wiring .

*aluminium is used in AIRCRAFT.

5.fossil fuels are formed by the dead and decay of organisms which were exists long period

COAL, petroleum, NATURAL gas etc are some of fossil fuels.

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Explanation:

A physical change is a change to a sample of MATTER in which some properties of the material change, but the IDENTITY of the matter does not. In a REVERSIBLE physical change, the ORIGINAL form of the matter can be restored. In an IRREVERSIBLE physical change, the original form cannot be restored

ANSWER:

C) carding

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Answer:1- Irrigation

2- Storage

3- Agriculture

4- Tractor

5- Threshing

Explanation:

Answer:

The pressure can be changed by FINDING AREA divided by the given pressure

Explanation:

1. MINERAL ACID-Sulphuric acid,HCL

ORGANIC ACID-Malic acid,Citric acid

2. The main USE of litmus is to test whether a solution is ACIDIC or basic. Blue litmus paper turns red under acidic conditions and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple.

3.Magnesium hydroxide

Magnesium hydroxide ( Milk of Magnesia) is used as an antacid.. Mg(OH)2 is a base used in antacid.

4. The three most common indicators are: Litmus, Methyl orange and Phenolphthalein.

5.When an acid and a base are placed together, they react to neutralize the acid and base properties, producing a salt. The H(+) cation of the acid COMBINES with the OH(-) anion of the base to form water. The compound formed by the cation of the base and the anion of the acid is called a salt.

EXPLANATION:

TRANSFER of COLD to HEAT

ANSWER:

it is the CORRECT answer

Explanation:

PROTOPLASM

ANSWER:

संयोजन, तब होता है जब कोई ग्रह पृथ्वी और सूर्य के बीच की सीधी रेखा पर स्थित होता है। संयोजन का खगोलीय प्रतीक ơ है। इसे हस्तलिपी में और यूनिकोड में U+260C लिखते हैं। हालांकि, इस प्रतीक को आधुनिक खगोल विज्ञान में कभी इस्तेमाल नहीं किया गया है, मात्र ऐतिहासिक रुचि भर का है।

Explanation:

Bast fibre (ALSO CALLED phloem fibre or skin fibre) is plant fibre collected from the phloem (the "inner bark", sometimes called "skin") or bast surrounding the stem of certain dicotyledonous PLANTS. ... FIBRES from monocotyledonous plants, called "leaf fibre", are classified as hard fibres and are stiff

Facilities PROVIDED to the farm animals are:

They are well maintained.

They are provided FODDER on TIME with PROPER required nutrients for the animals.

They are kept clean.

Care is taken especially about their health.

ANSWER:

Explanation;

Lactobacilli grow well in MILK and foods MADE from milk. They're responsible for the "souring" of milk. MANY different strains can be found in milk foods.

Answer:

Water is essential for life as we KNOW it. It is present throughout the Solar SYSTEM, and was part of the Earth from its formation. The source of the water was the same as the source of the Earth's rock : the cloud particles which condensed in the origin of the solar system.[1]

The water cycle

The cycle starts when water on the surface of the Earth evaporates. Evaporation MEANS the sun heats the water which turns into gas.

Then, water COLLECTS as water vapour in the sky. This makes clouds.

Next, the water in the clouds gets cold. This makes it BECOME liquid again. This process is called condensation.

Then, the water falls from the sky as rain, snow, sleet or hail. This is called precipitation.

The water sinks into the surface and also collects into lakes, oceans, or aquifers. It evaporates again and continues the cycle

ANSWER:

[D] NONE of the above

All the activities are ESSENTIAL in animal HUSBANDRY

Answer:

It has been scientifically established that Neem oil serves as an effective INHIBITOR if coated on UREA. Thus, the benefits are as follows: Neem coating leads to more gradual RELEASE of urea, helping PLANTS gain more nutrient and resulting in higher yields. Lower underground water CONTAMINATION due to leaching of urea.

ANSWER:

MAKING oil (a)

Explanation:

cotton SEEDS are not used in making oil

sodium metals are always kept in KEROSENE OIL because they are highly REACTIVE with oxygen and can cause fire so due to this the sodium is kept in kerosene as it does not REACT with sodium

HLO MATE

1.Australia,China

2fine wool

.3.Carbonising

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ANSWER:

MAGNETIC levilation TRAINS is the only answer

ANSWER:

they were the GERMANIC tribes who attacked the Roman EMPIRE in 476 CE

Explanation:

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Answer:

WHEAT , is not kharif crop.

Explanation:

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GRAVITATIONAL ATTRACTION

4.5v3.0v. 0v

difference.

Explanation:

The STOMACH continues to break food down mechanically and chemically through churning and mixing with both acids and ENZYMES. ABSORPTION occurs in the stomach and gastrointestinal tract, and the process FINISHES with defecation.

WEST BENGAL is not MAJOR PRODUCER JUTE

Answer:

physics:the emission of energy as ELECTROMAGNETIC waves or as moving subatomic PARTICLES, especially high-energy particles which cause ionization.

biology:

divergence out from a central point, in particular evolution from an ANCESTRAL ANIMAL or PLANT group into a variety of new forms.

Explanation:

Answer:

1/2×1/5=1/10

1/2×10

=5

9/7×6=54/7

Answer:

Local train of MUMBAI.... It had to STOP on every STATION because it's every station is a city and it runs DAILY

SUBLIMATION is the process by which solid water is directly transformed into vapour water. ... While sublimation can occur at ATMOSPHERIC pressure, the process is rather slow because the gas molecules from the ice MUST find their way through the atmospheric gases that are BOMBARDING the surface of the ice.

ANSWER:

HELLO I'm so SORRY EIEE the KIDS and the

Answer:

a....Australia

b..COAL , diamond LEAD etc

Explanation:

c.....Carbonising. Carbonising is a continuousprocess which combines scouring toremove the wool grease and a chemicalprocess which removes VEGETABLE matter such as seeds, burs and GRASS.

Answer:

CHLOROPLASTS

Photosynthesis takes PLACE inside plant cells in small things called chloroplasts. Chloroplasts (mostly found in the mesophyll layer) contain a GREEN substance called chlorophyll. Below are the other PARTS of the cell that work with the CHLOROPLAST to make photosynthesis happen.

Explanation:

Answer:

R.H. Whittaker introduced the famous five- kingdom classification system which is the most followed classification system in modern time. It includes the following five kingdoms:-

Monera, PROTISTA, Fungi, Plantae, ANIMALIA

We can group the above mentioned organisms into 5-kingdoms as:

1. Kingdom Monera- ARCHAEA and bacteria, all prokaryotic microbes

2. Kingdom Protista- Eukaryotic microbes and protozoa

3. Kingdom Fungi- Fungi

4. Kingdom Plantae -

Algae, Bryophyta, Pteridophyta, Gymnosperms, Angiosperms

5. Kingdom Animalia

Answer:

1. A -PART
2. C -Part
3. D -Part
4. A -Part
5. B -Part

Answer:

Studying is important because it is essential for a person to develop a complete education and provides students with the opportunity to develop study habits, time management skills and self-discipline. Studying ALSO aids in the student's ability to learn providing the student with knowledge that they can use throughout their life regardless of the CAREER path that they choose.

Homework is a form of studying that helps students learn. There are typically three types of homework that require studying by students. The first is practice homework that allows the student to review what was TAUGHT in class. This helps to increase the student's ability to comprehend the material. The second is preparation homework, which helps a student prepare for an in-class assignment or activity. This type of homework is generally research-based or in the form of a brainstorming exercise. The third is extension homework, which is typically a paper or a project and is a long-term assignment. These require the most INDEPENDENT work outside of the classroom.

Studying also takes place in the studying for tests or final exams. Students must study in order to learn the material and pass the exam. Studies have shown that the two best forms of studying are practice testing and studying evenly over the course of a semester or nine weeks.