What is the greatest source of oxygen in deep water?

a. The respiration from bacteria
b. The lack of large quantities of organisms
c. Chemosynthesis
d. Polar waters that have sunk from the surface


ANS: D
Polar waters are very rich in nutrients, including oxygen. This water sinks from the surface in these
regions and then circulated through deep water. Information can be found in the section Gases
Dissolve in Seawater

Environmental & Atmospheric Sciences

You might also like to view...

Clearly describe in what ways predation is actually beneficial to the prey population

What will be an ideal response

Environmental & Atmospheric Sciences

Volcanic mountains are produced by

A. the movement of magma. B. tectonic compression. C. tectonic forces. D. tectonic tension.

Environmental & Atmospheric Sciences

Which of the following lists the correct sequence of gases, from most to least, in terms of percentage within the homosphere?

A) nitrogen, oxygen, argon, carbon dioxide, trace gases B) carbon dioxide, oxygen, nitrogen, hydrocarbons, C) oxygen, ozone, nitrogen, PAN, carbon dioxide D) oxygen, nitrogen, neon, hydrocarbons, carbon dioxide E) nitrogen, argon, oxygen, xenon, carbon dioxide

Environmental & Atmospheric Sciences

What are the main components of urban air pollution?

What will be an ideal response?

Environmental & Atmospheric Sciences