On average, around how much municipal solid waste do Americans recycle?
a. three-fourths
b. two-thirds
c. one-half
d. one-third
e. one-fourth
D
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When lightning strikes, nitrogen molecules, N2, and oxygen molecules, O2, in the air react to form nitrates, NO3-, which come down in the rain to help fertilize the soil. Is this an example of oxidation or reduction?
A. The formation of nitrates is an example of reduction. B. The formation of nitrates is an example of oxidation. C. Both. The nitrogen is oxidized as it reacts with the oxygen while the oxygen is reduced. D. Neither. Although the bonds of both the N2 and O2 molecules are broken to form the NO3-, neither oxidation nor reduction occurs.
Our solar system is part of the Andromeda Galaxy. Indicate whether the statement is true or false
In the course of one day, a human experiences several dozen ecosystem services other than the essential provisioning services supplying us with food, water, and the air we breathe. Explain three additional ecosystem services that are essential to
maintaining life on Earth. What will be an ideal response?
Seismic activity in the Pacific Northwest is associated with
A. subduction. B. folds. C. faults. D. divergence.