The desert floras shame us with their cheerful adaptations to the seasonal limitations. Their whole duty is to flower and fruit, and they do it hardly, or with tropical luxuriance, as the rain admits. It is recorded in the report of the Death Valley expedition that after a year of abundant rains, on the Colorado desert was found a specimen of Amaranthus ten feet high. A year later the same species in the same place matured in the drought at four inches. Seldom does the desert herb attain the full stature of the type. Extreme aridity and extreme altitude have the same dwarfing effect, so that we find in the high Sierras and in Death Valley related we find in the high Sierras and Death valley related species in miniature that reach a comely growth in mean temperatures. Very fertile are the desert plants in expedient to prevent evaporation, turning their foliage edge-wise toward the sun, growing silky hairs, exuding thick gum. The wind, which has a long sweep ,harries and help them. It rolls up dunes about the stocky stems, encompassing and protective, and above the dunes, which may be, as with the mesquite, three times as high as man, the blossoming twings flourish and bear fruit.

How does the wind help the desert floras to grow?

A) By blowing the clouds away

B) By blowing the heat away

C) By rolling up protective sand dunes

D) By blowing gently

Correct Answer:
C) By rolling up protective sand dunes

Part of solved Comprehension questions and answers : >> General English >> Comprehension


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