C. Infrastructure !!! Hope this helps
Answer:
Below
Explanation:
Here, ground-level or "bad" ozone is an air pollutant that is harmful to breathe and it damages crops, trees and other vegetation. It is a main ingredient of urban smog. The troposphere generally extends to a level about 6 miles up, where it meets the second layer, the stratosphere. The stratosphere or "good" ozone layer extends upward from about 6 to 30 miles and protects life on Earth from the sun's harmful ultraviolet (UV) rays.
Answer:
maintain a bipolar balance of power in Europe.
Explanation:
The Warsaw pact did consist of the Soviet led socialist countries mainly of Eastern Europe which acted as a buffer between Soviet Union and western Europe, while the NATO alliance was formed by the U.S and its allies in order to tackle the Soviet expansion of communism.
<u>Answer:</u>
The seismic waves that stay on the Earth's surface are called surface waves.
<u>Explanation:</u>
- The waves that are formed near the Earth's surface and are sandwiched between the surface of the Earth and the atmosphere are known as surface waves.
- These waves are not absorbed back by the surface or do not even mix up with the atmosphere easily.
- Thus they stay on the surface of the Earth for a long time after they are generated.
Answer:
South China Sea/Pacific Ocean
Explanation: