The ozone layer protects humans and other forms off life from the dangerous UV Rays of the sun. Without the ozone layer humans would not exist
The correct answer is - A. Death rate.
We get the fertility rate from the birth rate and the death rate. More specifically, from the number of the children that are born in a given time frame (usually a year) we minus the number of the people that have died in the same time frame, so the difference between them gives us the fertility rate.
The fertility rate can be positive (in the difference is a positive number) and negative (if the difference is negative number).
Answer:
Magma that flows then cools on the earth's surface fast enough that there is no time for any crystals to form on the rocks and are as smooth as glass.
Explanation:
Answer:
I believe the answer is D or B.
Explanation:
