Distinguish between upwelling and downwelling

What will be an ideal response?


Upwelling is the upward vertical movement of cold, nutrient-rich, and oxygen-rich water from beneath the pycnocline toward the ocean surface. Downwelling is the movement of warm, nutrient-depleted, and oxygen-depleted water from the ocean surface downward. Upwelling is associated with highly productive areas of the ocean, while downwelling is associated with low primary production.

Environmental & Atmospheric Sciences

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Which resource is most commonly used to produce electricity in the United States?

A. Oil B. Water C. Coal D. Gas

Environmental & Atmospheric Sciences

What best describes an exotic stream?

A. Its stream load comes from different areas. B. It is formed in past climate conditions. C. Its source is in a nearby wetter area. D. It is formed prior to stream rejuvenation. E. It has stream flow during the wet season only.

Environmental & Atmospheric Sciences

What would the concentration of H3O+ be if the concentration of OH- was 1 × 10-11M?[H3O+] × [OH-] = Kw = 1 × 10-14

A. 1 × 10-6 B. 1 × 103 C. 1 × 1012 D. 1 × 10-3 E. 1 × 1014

Environmental & Atmospheric Sciences

The most commonly spoken language in Haiti is

A) Spanish B) English C) French Creole (patois) D) French E) Dutch

Environmental & Atmospheric Sciences