____________________ are chemical substances that persist in the environment, bioaccumulate through the food web, and pose a risk to human health and the environment.
Fill in the blank(s) with the appropriate word(s).
POPs
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Wave-formed ripple marks ____
A)tend to have symmetrical profiles B)are good indicators of ancient current directions C)have a gentle slope and a steep slope D)form in undisturbed deep-sea sedimentary environments E)form when clay-rich sediment dries and shrinks
Redistricting so that the opposition supporters are concentrated in a few districts is known as the ________ form of gerrymandering
A) stacked vote B) redistricting C) dishonest D) excess vote E) wasted vote
If the amount of water vapor in the air remains unchanged, how does a decrease in temperature affect relative humidity?
What will be an ideal response?
How do greenhouse gases warm Earth’s atmosphere?
What will be an ideal response?