The relevant questions are number 2, 3, and 4.
To protect our eyes from moisture and light. Example: from sweat. It can also reduce the amount of light that gets in your eyes and keep dirt away from them too.
Answer:
2 or 4 depending on the process
Explanation:
The green house effect is a natural process that warms the Earth surface.
((Carbon dioxide))
The types are smooth and rough.
smooth muscles are controlled by your brain, not you (digestion, circulation).
rough muscles are controlled by you (moving your leg)
Hope this helps!