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.
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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
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.
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
The most commonly spoken language in Haiti is
A) Spanish B) English C) French Creole (patois) D) French E) Dutch