I think the answer is 100 per so C. hope it helps hanna
Answer:
A closed system is a physical system that does not allow transfer of matter in or out of the system, though, in different contexts, such as physics, chemistry or engineering, the transfer of energy is or is not allowed.
Wind forms when the sun heats up one part of the atmosphere differently that another part.
The main determinant of skin color is melanin
Answer:
I think that they are small white stars
