Question

The _ describes how carbon moves through the atmosphere, biosphere, hydrosphere, and geosphere. 1. Carbon cycle 2. Photosynthesis 3. Carbon dioxide 4. Fossil fuels

Answer 1

1. Carbon Cycle

Google Definition below

The series of processes by which carbon compounds are interconverted in the environment, chiefly involving the incorporation of carbon dioxide into living tissue by photosynthesis and its return to the atmosphere through respiration, the decay of dead organisms, and the burning of fossil fuels.