Electrodialysis produces ________ from low-salinity seawater.
A. energy
B. table salt (sodium chloride)
C. fresh water
D. bromine and magnesium
E. oxygen and carbon dioxide
Answer: C
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In middle latitudes, which of the following cloud types has the highest base?
A. cumulonimbus B. cirrostratus C. cumulus D. altostratus
Problems identifying places to build new landfills has generally resulted in
A) increased dumping of MSW in rivers, lakes, and the oceans. B) large piles of MSW in vacated lots and industrial parks awaiting proper disposal. C) densely populated states outsourcing their MSW to states with less dense populations. D) the increased reliance on abandoned mines as sites where MSW can be deposited.
Which of the following latitudes has an energy deficit regarding its annual average net energy budget?
A) the equator B) 10 degrees south C) 15 degrees north D) 25 degrees south E) 50 degrees north
In general, when one views a food chain, they can expect the biomass of herbivores (organisms that eat plants) in an ecosystem to be about _____ of the biomass of the plants and other photosynthetic organisms in the ecosystem.
a. 10% b. 80% c. 50% d. 25% e. 90%