Answer:
Temperatures gradient
Explanation:
There are distinct temperature gradient differences in the layers of atmosphere usually due to the main air molecule composition of the layers, the density of the molecules. The Troposphere the lowest layers is the densest and temperature decreases with increase in altitude. The stratosphere, on the other hand, has an increase in temperature with increase in altitude. Temperatures decrease with altitude in the mesosphere while the parameter increases with altitude in the thermosphere.
The zygote, a single cell, implants its self to the uterine wall and it developes into an embyro which is a cluster of cells.
During the 1980s, iran and iraq battled in a war from september , 1980 - august 1988.
Your right it is mutation
Explanation:
Hence, the correct answer is 'Nuclear membrane'.
