The epa studies pollution and other environmental health hazards. (1 point) a. true b. false

This statement is fully true.

The EPA which stands for U.S. Environmental Protection Agency does indeed study the environmental health hazards and pollution. The EPA was created in 1970 during the presidency of Richard Nixon and it's main job is to ensure both human and environmental safety by writing and enforcing regulations that are based on the laws which were previously adopted and passed by the US Congress. 

The one that most represents the earths mantle would be the skin since the mantle is the upper part of the earths depths which is just like the skin of an apple.

The answer is d) political map are designed to show boundaries and territories.