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What does primary productivity measure?

O number of organisms in an ecosystem
O
rate of loss of energy in an ecosystem
O weight of all organisms in an ecosystem
orate at which an ecosystem produces chemical energy from sunlight

User Secretwep
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Answer:rate at which the ecosystem produces chemical energy from sunlight

Step-by-step explanation:

User Xaviera
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Answer:

the rate at which plants and other photosynthetic organisms produce organic compounds in an ecosystem.

Step-by-step explanation:

User Roger Rouse
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