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What is role of hydrochloric acid.

asked Jan 25, 2019 in Science by danish (1.0m points)

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Define evaporation. Give example.

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Give to uses of air.

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asked Jan 25, 2019 in Science by danish (1.0m points)

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What are germs.

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What are functions of medulla

asked Jan 25, 2019 in Science by danish (1.0m points)

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How air pollution is damaging the ozone layer

asked Jan 24, 2019 in Science by danish (1.0m points)

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1 answer 36 views

Give some examples of liquid state of matter

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What are effects of land pollution

asked Jan 24, 2019 in Science by danish (1.0m points)

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asked Jan 24, 2019 in Science by danish (1.0m points)

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What are two things on which force of attraction depends

asked Jan 24, 2019 in Science by danish (1.0m points)

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What is plant vacuole? Give roll

asked Jan 24, 2019 in Science by danish (1.0m points)

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How many neurons make up the brain

asked Jan 24, 2019 in Science by danish (1.0m points)

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Define reproduction

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0 answers 23 views

How do you know that opposite poles of a magnet attract each other

asked Jan 24, 2019 in Science by danish (1.0m points)

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What is deoxygenated blood.

asked Jan 24, 2019 in Science by danish (1.0m points)

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How does a liquid has definite volume

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What is responsible for the creation of wind, clouds and rain.

asked Jan 24, 2019 in Science by danish (1.0m points)

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Define respiration

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Define evaporation.

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