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How decomposers are useful?

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How water and migration cause changes in a habitat?

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Who repersented The law of constant composition?

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What is the use of phosphorus-32?

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Define law of constant composition

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What is an ecosystem?

asked Dec 18, 2018 in Science by danish (1.0m points)

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Where frozen water is found?

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How can we define a habitat?

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Define environment?

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If water runs downhill to the seas, what are some way that make fresh water polluted?

asked Dec 18, 2018 in Science by danish (1.0m points)

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Define valancy with example?

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What is meant by purification of water?

asked Dec 18, 2018 in Science by danish (1.0m points)

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Write the affects of air pollution?

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Write two ways to conserve water.

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Name the producers in sea food chain?

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How the chemical formula of a molecule of an element is denoted?

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What does give the positive charge to the nucleus of an atom?

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Why electric charge on an atom is zero or neutral?

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How can we protect habitates?

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What was the first atomic model?

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