Answer:

Explanation:
'meters per second squared'
You can always search this up.
Answer:
C. Alkaline Metal ok thanks
I think it would be taxonomy which is the the classification of something. Mostly organisms.
Answer:
its endothermic .
because your using a cooling process instead of a heating process if it was a heating process it would be exothermic
Here look at this image it might help you if not then i will see what i can help you with