A pioneer in restoration ecology who planted as many as 6,000 trees every year was
A. Theodore Roosevelt
B. Aldo Leopold
C. Eli Whitney
D. John Wesley Powell
E. Gifford Pinchot
Answer: B
Environmental & Atmospheric Sciences
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Excess amounts of CO2 in the atmosphere have led to ocean ____________ as the oceans absorb CO2 and convert it to H2CO3.
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
Which of the following is closely associated with the former position of a river channel?
a - cutoff meander b - meander scars c - oxbow lakes d - oxbow swamps e - all of the above
Environmental & Atmospheric Sciences
On which of the following holidays is Earth closest to the Sun?
A) New Year's Day B) Fourth of July C) Thanksgiving D) Labor Day
Environmental & Atmospheric Sciences
Which area shown on the map has the greatest seafloor depth?
A. (R) oceanic ridges B. (P) passive margin C. (T) trench
Environmental & Atmospheric Sciences