b . One is cold and dry because it is at a high latitude and the other is cold and dry because it is at a high altitude .
c . Both are located in areas of intense sunshine .
d . One grows mostly grasses because the soil is poor and the other grows mostly grasses because the soil is frozen .
e . Both have large grazing herds that keep the grasses clipped short .
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Question 8
In the biosphere , which of the following is NOT constantly recycled ?
Select one :
a . carbon
b . nitrogen
c . water
d . energy
e . phosphorus
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Question 9