What was the chemical cycle on the prairie like? Select all that apply.
a. The chemicals in dead plants and animals return to the soil.
b. Decomposers and bacteria helped dead organisms break down.
c. Prairie land was a rich source of chemicals and minerals.
d. The chemical cycle worked well on the prairie.
e. Bacteria and decomposers were not helpful on the prairie.
f. Prairie land was not a good source of chemicals or minerals.