Ques:Q: Solution nodes and antinodes are both areas of wave interference, but they differ in the presence of what condition? Choices: - radiation - gravity - speed - motion A:

Ans:motion
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Ques:Q: The burning of what type of fuels is a major source of sulfur oxides and nitrogen oxides? Choices: - biofuels - renewable - synthetic - fossil A:

Ans:fossil
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Ques:Q: Urea, ammonia and uric acid are types of what waste, excreted in different forms by different species? Choices: - fecal waste - methane waste - carbon waste - nitrogenous waste A:

Ans:nitrogenous waste
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Ques:Q: Glucose is an example of what simple carboyhydrates with relatively few carbon atoms? Choices: - solvents - mixtures - acids - sugars A:

Ans:
sugars
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