Answer:
What does the Red Cross do?
The Red Cross provides disaster relief assistance to those affected by natural and human-caused disasters. Every day through the American Red Cross, people mobilize to help their neighbors. ... The Red Cross is not a government agency; it relies on generous donations of time, money and blood to do its work.
Explanation:
I think it is natural selection. genetic variation also could be a factor for physical variation over the years.
No, it must be dealt with professionally.
