Most of the deep-sea primary productivity results from ______ Fill in the blank(s) with the appropriate word(s)


chemosynthesis

Environmental & Atmospheric Sciences

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If the recommendations of the U.S. National Academy of Sciences were followed, which priority level for treating solid waste would incineration fall into?

A. last B. first C. second D. none

Environmental & Atmospheric Sciences

Which elements are most common in the Earth's crust? What sorts of minerals (i.e., specific families) result from these particularly common elements? What sorts of rocks are most common in the crust as a result?

What will be an ideal response?

Environmental & Atmospheric Sciences

Under which condition would air pollution over a city typically be highest?

A) on a rainy night B) on a clear, calm night C) on a rainy day D) in the afternoon

Environmental & Atmospheric Sciences

On land, the carbon dioxide used today in photosynthesis to form carbon-containing organic molecules of plant tissues is mostly returned to the air because of

A) respiration in plants, animals, and organisms in the soil. B) plate tectonics. C) additional photosynthesis in the same plants. D) erosion, decay, and general weathering.

Environmental & Atmospheric Sciences