Ques:Q: What is the world's most serious resource problem? Choices: - gas shortage - citrus blight - deforestation - water scarcity A:

Ans:water scarcity
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Ques:Q: Worldwide, viruses seem to play a role in what percentage of the cases of human cancer? Choices: - 20 % - +.15 % - 5% - 15% A:

Ans:15%
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Ques:Q: Organic chemistry is the study of the chemistry of what? Choices: - hydrogen - metals - oxidation - carbon compounds A:

Ans:carbon compounds
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Ques:Q: Tin is oxidized at the anode, while silver ion is reduced at? Choices: - anodyne - iodine - gamma - cathode A:

Ans:
cathode
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