Warmer, colder
Convection is the transfer of heat by the movement of a fluid (liquid or gas) between areas of different temperature.
Warmer fluid is less dense so it rises and colder fluid is more dense so it sinks.
Hello my friend, you is my friend, and we are friends.
Answer:
your brain makes special hormones called GnRH, and these hormones signals the testes to make more testosterone.
Explanation:
i hoped this helped:)
Answer: C - spiral staircase
Explanation:
