Ques:Q: A goiter is a visible indication of deficiency of what? Choices: - arsenic - chlorine - water - iodine A:

Ans:iodine
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Ques:Q: What forms when a solute dissolves in a solvent? Choices: - chemical - gas - liquid - solution A:

Ans:solution
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Ques:Q: Convection is the transfer of what type of energy by particles moving through a fluid? Choices: - Chemical - Nuclear - atmospheric - thermal A:

Ans:thermal
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Ques:Q: Which gas do people exhale during each breath? Choices: - carbon monoxide - nitrogen - oxygen - carbon dioxide A:

Ans:
carbon dioxide
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