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:OB.
San Francisco Earthquake of 1906
Answer:
1.rock gets destroyed
2.rock get stuck under sailers shoe
3.sailer walks on land
4. sees rock under shoe
5. he takes of rock from shoe and throws it away
6. millions of years later you step on that same grabit
Explanation:
A river's width and depth increases as more water is added from tributaries.