Most of the deep-sea primary productivity results from ______ Fill in the blank(s) with the appropriate word(s)
chemosynthesis
You might also like to view...
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
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
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.
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?