What is an example of an energy source that is renewable and has less environmental impact than fossil fuels?

A. bioenergy
B. natural gas
C. crude oil
D. coal


Answer: A. bioenergy

Environmental & Atmospheric Sciences

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Which sediments arrive in the ocean from continents via wind and water?

A) terrigenous sediments B) biogenous sediments C) hydrogenous (or authigenic) sediments D) cosmogenous sediments

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Based on all possible combinations V, J, D and constant regions, approximately how many antibody combinations are theoretically possible?

A) approximately 10,000 B) approximately 1,000,000 C) more than 2 million D) more than 1 billion

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Why does the lithosphere thicken as it moves away from a mid-ocean ridge?

What will be an ideal response?

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Which of the following is a starting material in the synthesis of nitroglycerin?

A) ethylene glycol B) 1,2-propanediol C) 1,3-propanediol D) 1,2,3-propanetriol

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