The basic building block of silicate minerals is the silica ____________________. Fill in the blank(s) with the appropriate word(s)


tetrahedron

Environmental & Atmospheric Sciences

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A prairie was covered by grasses and wildflowers. A farmer removed this native vegetation so he could plow the land and plant crops. For years, normal rain fell and the farm thrived

But after a few years of drought, the crops died and the topsoil on the farm eroded. Explain how the farmer's use of the land led to the erosion that occurred there.

Environmental & Atmospheric Sciences

A smaller fetch results in wind waves of greater height and energy

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

Environmental & Atmospheric Sciences

During the end Permian mass extinction, the slowing of sea floor spreading resulted in an increase of the world's ocean basins, causing sea level to drop about ________.

A. 150m (492ft) B. 100m (328ft) C. 75m (246ft) D. 200m (660ft)

Environmental & Atmospheric Sciences

Which of the following is "virtually certain" (99% certainty) to occur according to the IPCC?

A) Northern hemisphere spring snow cover will decrease. B) Ocean wave heights of mid-latitude storms will increase. C) High latitude precipitation amounts will increase. D) Ocean acidification will increase as atmospheric CO2 accumulates. E) Frequency of high precipitation will increase.

Environmental & Atmospheric Sciences