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Define marginal cost and marginal benefit.
Phosphorus
A chemical element that plays a vital role in biological processes such as energy transfer, genetic information processing, and bone formation.
Phosphorus
A reactive, nonmetallic chemical element with the symbol P, essential for life, playing a key role in cellular energy transfer and nucleic acid synthesis.
Sedimentary Rock
Rock formed from the accumulation and compaction of mineral and organic particles on the Earth's surface, often containing fossils.
Primary Consumers
Organisms that directly consume producers, such as plants or algae, and serve as a food source for higher trophic levels in an ecosystem.
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