I believe the answer is, Sea of Tranquility.
Answer:
Natural selection.
Explanation:
Natural Selection:
Natural selection is the evolution's one of the basic mechanism in which phenotypic variant individuals or organisms survive or reproduce with change in the heritable traits in a population over generations. With the passage of time, this process help the organisms to adapt their environment.
So, the population A and population B organisms interbreed and produce offspring with the process of natural selection.
Answer:
A meteorological phenomenon
Explanation:
A rainbow is a meteorological phenomenon that is caused by reflection, refraction and dispersion of light in water droplets resulting in a spectrum of light appearing as a circular arc in the sky. It is often visible after rainfall due to highly humid atmosphere and absence of air pollution.
I Hope This Helps!!!!!