name one layer found in the atmosphere of earth that is important and prevents as from having skin cancer

The ozone layer protects the Earth against most UVB coming from the sun

Explanation: It is a cause of melanoma and other types of skin cancer. It has also been linked to damage to some materials, crops, and marine organisms.

answer; (b); i believe its indefinite existence of human population in a healthy and prosperous condition;

doctrine that the us had the right to expand throughout north america.