The First Earth Day in April 1970
Because there was no EPA, no Clean Air Act, no Clean Water Act. There were no legal or regulatory mechanisms to protect our environment. In spring 1970, Senator Gaylord Nelson created Earth Day as a way to force this issue onto the national agenda
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Answer:
it's the igneous cycle
Explanation:
igneous rock will change into metamorphic, or sedimentary rock
Lack of resources in general
It may also mean shortage of flora and fauna
