Peds give the soil a particular structure and are clumps of individual mineral particles

a. True
b. False
Indicate whether the statement is true or false


True

Environmental & Atmospheric Sciences

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The subtropical jet stream

A) is found in the lower troposphere. B) is typically found at about 45 degrees latitude. C) is a product of the Coriolis force and conservation of momentum. D) feeds the polar easterlies. E) all of the above

Environmental & Atmospheric Sciences

In Japan, the presence of ducks and the aquatic fern Azolla in rice cultivation has shown that ________

A) invasive species diminish rice yields B) ducks and other birds must be eliminated from rice fields C) the ferns provide an excellent food for ducks D) GM crops such as rice cannot succeed without ferns to provide shade and ducks to provide pollination E) restoring portions of the biodiversity of a natural ecosystem increases crop yields and profits

Environmental & Atmospheric Sciences

The process of secondary succession would typically follow a forest fire

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

A type of mechanical weathering is ____ and a type of chemical weathering is ____

A)frost action; pressure release B)pressure release; salt crystal growth C)thermal expansion and contraction; salt crystal growth D)oxidation; activities of organisms E)salt crystal growth; hydrolysis

Environmental & Atmospheric Sciences