Looking at the chart, what can you infer is the reason for the greening trend dominated by India and China? A)
Irrigation salinity.
B)
Increased nitrogen in soil
C)
The use of irrigation systems to sustain agriculture.
D)
Increased oxygen level in soil leading to increased plant respiration.

"water seeps into rock cracks and dissolved minerals there.the solution travels through cracks in the. eventually concentrating into large crystals." which process is that

All of the following statements about the biosphere are true except: a. light and heat from the sun do not affect the biosphere. b. the biosphere gets resources from earth's crust, hydrosphere and atmosphere. c. like "biology", the name for the biosphere comes from the greek word for life. d. the biosphere includes all living organisms on earth's surface.

How much water is in the ocean in cubic kilometers