Answer:
D
Explanation:
OR 4 not taking credit look up
Answer
I believe it would be 4. striking a hammer on a nail.
Explanation
I think it is 4 because hitting a hammer on a nail will cause a bit of heat to form as you continue to strike, and there is the sound you will hear as well
flagella.
DNA and its membrane
Answer: angular distance north or south from the celestial equator measured along a great circle passing through the celestial poles