The purpose of the Environmental Protection agency is to protect the health of Americans and also the environment by helping to write and enforce environmental regulations that are passed into law by the U.S. Congress. Out of these answers the best is to, oversee guidelines for clean water, air, and other environmental issues.
A. They could worship in Catholic Churches
During the development of an organism, from a single fertilized egg into adult form, cells become specialized through a process called differentiation.
During differentiation, genes that are activated determine the type of cell it will become. I hope that's what you need
