Kimberly

Physics

27 August, 05:12

Select all that apply. Choose the statement (s) that best describe Earth's hydrologic, rock, and tectonic cycles.

a. They continuously recycle Earth's materials.

b. They contribute to a balance or equilibrium of Earth's materials.

c. Old material is disposed of, never to be used again, and new material is created.

d. The cycles are powered by the earth's rotation and orbit.