He studied in the biology forld of science!
I hope this helps. (:
Answer:
When a warmer air mass travels over colder ground, the bottom layer of air cools and, because of its high density, is trapped near the ground. In general, cold air masses tend to flow toward the equator and warm air masses tend to flow toward the poles. This brings heat to cold areas and cools down areas that are warm
The point where two bones meet in the skeleton of the body is called a joint.
D, genetically identical due to the both the 'parent' and 'daughter' have the exact same genes.
I have attached an image answering your question.
