Domesticated herd animals were first integrated into agriculture when they were used A. to assist hunters.
B. to transport harvested crops.
C. for their fur and skins.
D. to prepare land for planting.
THIS IS FOR AP HUMAN GEOGRAPHY. 9th grade.

What can happen to solar radiation when it enters earth’s atmosphere? check all that apply. it is absorbed by earth. it is reflected by clouds. it is reflected by glacial ice. it is condensed into visible light. it is amplified by water molecules.