What happens to carbon in plants when the plants die? (1 point)
The carbon is released into the air.
The carbon is released into the soil, but it is not used again.
The carbon is released into the soil for use by the next generation.
The carbon is not released; it is lost.
The carbon is released into the soil for use by the next generation.
Which are all the correct products of respiration? (1 point)
carbon dioxide and water water and energy
carbon dioxide, water, and glucose
carbon dioxide, water, and energy
carbon dioxide, water, and energy
Which process involves carbon moving directly from the biosphere into the geosphere? (1 point)
the photosynthesis of a plant
the eruption of a volcano
the weathering of rocks by a river
the decomposition of plants on the forest floor
the eruption of a volcano
What is the definition of biosphere? (1 point)
the area of the earth where all living things exist
the area of the earth that is solid
the area of the earth that is liquid
the area of the earth covered by water
the area of the earth where all living things exist
Why are the oceans considered a large carbon sink? (1 point)
Phytoplankton takes in carbon through cellular respiration.
Water absorbs carbon directly from the atmosphere by diffusion.
Carbon gets transferred among all the organisms of every food chain.
Decomposition rates in the water are far greater than on land.