Ques:Q: Electric substations have what devices, which use electromagnetic induction to increase or decrease the voltage of the current? Choices: - transistors - generators - tubes - transformers A:

Ans:transformers
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Ques:Q: Are vesicles larger or smaller than vacuoles? Choices: - larger - narrower - wider - smaller A:

Ans:smaller
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Ques:Q: What part of the atmosphere is the heat source? Choices: - troposphere - magnetosphere - ionosphere - stratosphere A:

Ans:stratosphere
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Ques:Q: How are the number of moles of carbon dioxide gas calculated? Choices: - relativistic - casuistry - phytochemistry - stoichiometry A:

Ans:
stoichiometry
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