What is a selective advantage to having darker skin near the equator?
Claim :
Evidence:
Reasoning :

Explanation: If you are near the equator, having darker skin is helpful as a protectant. People who are darker toned generally have more melanin in their skin which is good if you are living in a warmer climate with harsher sun rays.

the second type of galaxy is called a barred spiral, which has a thing called a bar straddling the nucleus

oxygen = 21% of the atmosphere

nitrogen = 78%

carbon dioxide = 0.1%

argon =0.934%