Ques:Q: When light is absorbed by a material, what may increase? Choices: - happiness - weight - mass - its temperature A:

Ans:its temperature
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Ques:Q: What is used in the growth, development, functioning and reproduction of all known living organisms and many viruses? Choices: - viruses - bacteria - enzymes - dna A:

Ans:dna
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Ques:Q: What is a continuous flow of electric charge called? Choices: - powered current - microwave current - magnetism - electric current A:

Ans:electric current
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Ques:Q: Half of the neurons formed in the embryo are eliminated because of _____________ Choices: - cell death - disease - contraction - competition A:

Ans:
competition
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