Answer:
Energy decreases because it moves up trophic levels since energy is misplaced as metabolic warm when the life forms from one trophic level are expended by life forms from another level. Trophic level exchange proficiency (TLTE) measures the amount of vitality that's exchanged between trophic levels.
Explanation:
Answer: One reason the U.S. got involved in the Vietnam War was that it was a conflict between communism and a freer system. The communist system cannot produce as much wealth as it consumes because its producers are forced to react to political motives instead of economic motives.
Explanation:
Answer:
the answers are B- salt was used as a form of currency and D- salt was used to preserve food.
Explanation:
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