What is the primary reservoir of carbon in Earth's carbon cycle?(1 point)
Responses
Biosphere
Biosphere
Hydrosphere
Hydrosphere
Geosphere
Geosphere
Atmosphere
Atmosphere
1 answer
Geosphere
Responses
Biosphere
Biosphere
Hydrosphere
Hydrosphere
Geosphere
Geosphere
Atmosphere
Atmosphere
1 answer