Answer:
For conduction
A.
air molecules touch the warm ground, heating them up because conduction is the transfer of energy through direct contact
For convection
B.
Warm air rises and takes heat with it; eventually it cools and sinks.
Explanation:
The sentence that is true is A galaxies are holder together by gravity it is not D because galaxies are real its not C because they are not being pulled apart and its not B because galaxies are held together.
Answer:
Yes, the faster the organism breathes, the greater air exchange. The blood will increase & stimulate much faster.