Ques:Answer the following question given this paragraph: When normal cells are damaged beyond repair, they are eliminated. The upper diagram depicts damaged cells being destroyed. Cancer cells avoid elimination and, because of uncontrolled cell division, continue to multiply in an unregulated manner. The lower diagram depicts damaged cells dividing in an uncontrolled fashion. Q: What causes cancer cells to avoid elimination and continue to multiply? Choices: - continuous cell division - chronic cell division - persistent cell division - uncontrolled cell division A:

Ans:uncontrolled cell division
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Ques:Answer the following question given this paragraph: The thermophiles live in extremely hot environments. For example, they can grow in hot springs, geysers, and near volcanoes. Unlike other organisms, they can thrive in temperatures near 100C, the boiling point of water!. Q: What is the term for organisms that live in extremely hot environments? Choices: - hydrophylic - thermophobes - exothermic - thermophiles A:

Ans:thermophiles
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Ques:Answer the following question given this paragraph: Gas molecules are exceedingly rare in the exosphere. Q: Molecules of gas are rare in what outermost region of the planet's atmosphere? Choices: - ozone layer - thermosphere - ionosphere - exosphere A:

Ans:exosphere
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Ques:Answer the following question given this paragraph: A chemical change occurs whenever matter changes into an entirely different substance with different chemical properties. Burning is an example of a chemical change. Q: What kind of change occurs whenever matter changes into an entirely different substance with different chemical properties? Choices: - reversible change - physical change - carbon change - chemical change A:

Ans:
chemical change
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