Which of the Earth's spheres is made up of the Earth's crust and the land on its surface? A. the atmosphere
B. the hydrosphere
C. the lithosphere
D. the biosphere

Agricultural practices in the united states nearly led to the extinction of the peregrine falcon during the 1950s and 60s.

Which part of a mountain receives the majority of moisture due to the rain shadow effect? a. the leeward side b. the windward side c. the bottom of the mountain d. all parts of the mountain receive equal amounts of moisture.

Atopography map is used to study changes in vegetation associated with different elevations. which individual most likely used them for this purpose?