The united states of america has
been made more diverse because of
its many immigrants.
true
false
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Which factors add to the greenhouse effect and are caused by human activities?

Heyi am new to are you all americans? ( just want to know , i don't mean any offence ) ?

The oil and gas found in the middle east are regulated by a. organization of petroleum exporting countries b. southwestern asian oil refineries c. north atlantic treaty organization