Biofuels and nuclear power may prove useful as ________

A) pollution-free sustainable energies
B) stages in the development of fusion generators
C) inexpensive technologies for developing nations
D) energies to bridge the time between fossil fuel depletion and new renewables
E) replacement fuels for motor vehicles


D

Environmental & Atmospheric Sciences

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A) a flooded valley originally carved out by glaciers B) an intermontaine plateau formed by the erosion of two neighboring mountains into a shared valley C) a fan-shaped deposit of sediments dropped by a river or stream flowing out of a mountain range D) hilly topographic features that mark the path of glaciers; they are composed of eroded material carried by glaciers and ice sheets E) a fine, wind-deposited sediment that makes fertile soil, but is vulnerable to water erosion

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What is the end product of carbon respiration?

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Environmental & Atmospheric Sciences