Question

The elements of the Earth undergo chemical reactions that build molecules, destroy molecules, and change molecules into other molecules, reusing the same atoms over and over. These changes occur as atoms and molecules move through organisms, the ground, bodies of water, and the air.

What are the patterns of these reactions and movements called?

Answer 1

A.) geological regions such as the Pacific Rim, San Andreas Fault, and the Great Lakes
B.) processes such as evaporation, photosynthesis, and nitrogen fixation
C.) phenomena such as global warming, plate tectonics, and greenhouse effect
D.) biogeochemical cycles such as the water cycle, nitrogen cycle, and carbon cycle