Answer:
D
Explanation:
In 1970, in response to the welter of confusing, often ineffective environmental protection laws enacted by states and communities, President Richard Nixon created the EPA to fix national guidelines and to monitor and enforce them
Earth's atmosphere is 78% nitrogen, 21% oxygen, the rest 1 percent with very small percentages of other elements like Co2.
To defend its nation against threats from an aggressor nation
<em>Answer:</em>
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Phoenicians: Murex Shells and Navigation
Minoans: Snake gods, Trojan War
Mycenaeans: Terracota Roof, Natural disaster.
Etruscans: Warriors and Sarcophagi
Sorry if i'm wrong ...
