PHYSICAL SYSTEMS Physical processes shape Earth s surface and interact with plant and animal life to create, sustain, and modify ecosystems.
(PHYSICAL SYSTEMS Physical processes; shape; Earth s surface) (PHYSICAL SYSTEMS Physical processes; interact; with plant and animal life; to create, sustain, and modify ecosystems)
PHYSICAL SYSTEMS Physical processes PHYSICAL SYSTEMS Physical processes
shape interact
Earth s surface
with plant and animal life to create, sustain, and modify ecosystems