___ are examples of indoor chemical hazards.

a. radon asbestos
b. DDT and DDE
c. petroleum and pesticides
d. BPA and PCBs


a. radon asbestos

Environmental & Atmospheric Sciences

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One problem with the ____________________ is that chemicals would require thorough toxicity screening, making it very expensive to introduce any new chemicals into society.

Fill in the blank(s) with the appropriate word(s).

Environmental & Atmospheric Sciences

The resistance of some rocks to erosion is the reason sea cliffs, stacks, and arches are so uneven in

their characteristics.

Environmental & Atmospheric Sciences

What is a transported soil? What will be an ideal response?

Environmental & Atmospheric Sciences

Washes, or arroyos, are a type of _____

a. stabilized sand dune b. playa c. stream channel with ephemeral flow d. crescent-shaped sand dune e. wind-eroded rock

Environmental & Atmospheric Sciences