The answer is C: irrigation
Answer:
the grazing area of huge herds of buffalo and the home of native groups.
Explanation:
San Francisco earthquake of 1906 <span />
The atmosphere layer closest to the earth is referred to as the troposphere. Beyond the troposphere are the stratosphere, the ozone layer, the mesosphere, and the thermosphere. The atmosphere is made up of 78% nitrogen, 21% oxygen, and smaller amounts of argon, carbon dioxide, helium, and neon.
