The crops developed during the Green Revolution were high yield varieties - meaning they were domesticated plants bred specifically to respond to fertilizers and produce an increased amount of grain per acre planted.
Today, the annual rate of tectonic plates movement is observed and measured by satellites.
So, the answer is option A. Satellites.
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At least 7 billion people
Answer:
the answer is this will cause the suns rays to go through the earths atmosphere and heat up the planet causing it to become hotter.
Explanation:
we are causing this by our factory's and cars pollution.Causes : chlorofluorocarbon (CFCs), halons, and other compounds deplete the ozone layer.
Answer:
Studying the <u>ecosystem</u> of a place helps the geographer to understand how living things
interact with their physical environment.
Explanation: