In middle latitude (temperate) oceans, primary productivity is limited by ________ in the spring and by ________ in the fall

A) available sunlight; available sunlight
B) available sunlight; nutrient supply
C) nutrient supply; available sunlight
D) nutrient supply; nutrient supply


C

Environmental & Atmospheric Sciences

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Now the world's second largest economy, behind only the United States, China accounts for a third of total world economic growth, and GNI per capita has risen faster there than in any other country

Indicate whether the statement is true or false.

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Manganese and phosphorite nodules can only be observed in areas of high sediment accumulation

Indicate whether the statement is true or false

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Groundwater as a water source may be better than surface water because

A) groundwater may be naturally purified by percolation through soil. B) groundwater is a self-replenishing resource that cannot be exhausted. C) surface water is not naturally self-replenishing. D) groundwater is more easily located than surface water.

Environmental & Atmospheric Sciences

You are given the coordinates 128 E longitude, 45 N latitude. This is an example of a

A) mathematical location. B) placename on the grid system. C) situation on the grid system. D) mathematical grid interchange. E) site-situation intersection.

Environmental & Atmospheric Sciences