Deciduous forests
A. Have trees that bear seeds in cones
B. Are not useful commercially
C. Are adapted to extremely cold climates
D. Have trees that shed their leaves seasonally
Answer: D
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Why is carbon dioxide able to be stored more effectively in ocean water vs. fresh water?
A. The oceans are large, and so you can dissolve more CO2 in them. B. The pH of the ocean is very low, and so the carbon dioxide is trapped as an acid because like dissolves like. C. The pH of the ocean is pretty high, and so the carbon dioxide is trapped in a neutralization reaction. D. Gases are more soluble in cold water than warm water, and the oceans are colder than fresh water lakes so you can dissolve more CO2 in them. E. none of the above
Of the following strategies to reduce acid deposition, the most effective is probably
a. using low-sulfur coal b. adding phosphate fertilizer to acidified lakes c. adding more topsoil to thin soil with little buffering capacity d. adding lime to neutralize the acids e. implementing prevention approaches that reduce or eliminate emissions
Why do small particles descend to the seafloor at rates exceeding expectation?
A. The particles increase their density. B. The particles attract each other. C. The particles are incorporated into the fecal pellets of small animals. D. The particles attract each other, the particles increase their density, and the particles are incorporated into the fecal pellets of small animals. E. The particles attract each other and the particles are incorporated into the fecal pellets of small animals.
Forest songbirds have been declining for the past century in the United States. Evidence is accumulating and pointing to ________ as the most likely reason
A) island biogeography B) endemic species vulnerability C) population viability D) migration corridor implementation E) habitat fragmentation