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Feliz [49]
3 years ago
6

Any potentially harmful substance that humans add to an ecosystem

Social Studies
1 answer:
makvit [3.9K]3 years ago
4 0
Synthetic materials, heavy metal, pollutants
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The correct answer is emotional or behavioral disorder

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A researcher is interested in the relationship between depression and the loss of a loved one. The individuals of interest are b
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A group comparison study

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La Niña, this is because it blows warm air into places like Australia and Indonesia causing wetter conditions than normal, while making places like the southwestern US much drier.

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I hope this helps!
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Under what circumstance might you receive a tax refund from the IRS?
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A. When your total of previous payments and applicable credits is more than the tax you owe.

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