Question

Define gross primary productivity

Answer 1

Negotiable instruments are unconditional orders or promise to pay, and include checks, drafts, bearer bonds, some certificates of deposit, promissory notes, and bank notes (currency).

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Answer 2

In any environment, green plants are known as the producers of energy as they are not dependent on any other living organism for energy harvesting.

Plants mainly convert solar energy into chemical energy.

The total amount of the converted chemical energy by the plants or the "producers",is known as the "Gross primary production" or the "GPP".