Examlex
The reason we observe a "pyramid" of energy flow instead of an energy flow "cube" is because the low ecological efficiency of biological systems limits the numbers of organism in the higher trophic levels.
Ounce
A unit of weight commonly used in the United States and the United Kingdom, equal to one-sixteenth of a pound or approximately 28.35 grams.
Futures Contract
A standardized legal agreement to buy or sell an asset at a predetermined price at a specified time in the future.
Futures Contract
A futures contract is a standardized legal agreement to buy or sell a particular commodity or financial asset at a predetermined price at a specified time in the future.
Coffee
A brewed drink prepared from roasted coffee beans, which are the seeds of berries from the Coffea plant.
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