Holding World Environment Day is one of the ways the United Nations uses to advocate for environmental ____ and call for political action. A. experience B. protection C. decrease D. pollution - Vocabulary | English Grammar Quiz

Holding World Environment Day is one of the ways the United Nations uses to advocate for environmental ____ and call for political action.

A. experience

B. protection

C. decrease

D. pollution

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a, an, the, Zero Article Present vs. Past Participle Polite Request

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