Over the past 20 years, the efforts of the United States have decreased the amount of pollutants in the environment.
Please select the best answer from the choices provided.
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Which is a direct benefit of prohibiting nicotine and tabacco use in schools?

Which is the best way to handle your own grief after a loss? which is the best way to handle your own grief after a loss? avoid your friends for a while. stop thinking about the person who died. avoid crying in front of others. allow yourself time to grieve.

Which of the following human diseases is caused by a virus that requires reverse transcriptase to transcribe its genome inside the host cell? a) herpesb) aidsc) smallpoxd) influenza