On average, what percent of the energy at one level of the food chain becomes available at the next level of the food chain?
A) 1%
B) 10%
C) 50%
D) 90%
B
Environmental & Atmospheric Sciences
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The envelope of gas surrounding the earth is the
Environmental & Atmospheric Sciences
A desert surface characterized by exposed rock surfaces would be classified as a(n):
a. hammada b. reg c. erg d. bajada
Environmental & Atmospheric Sciences
Most languages with a literary tradition use one of the following principal writing systems:
A) Cyrillic, Latin, Chinese, Arabic B) Greek, Latin, Chinese, Germanic C) Latin, Arabic, Chinese, Indo-European D) Latin, Chinese, English, Greek E) Cyrillic, Latin, Chinese, Altaic
Environmental & Atmospheric Sciences
Contemporary biogeographic and ecological thinking posits that disturbance constantly disrupts ecosystems and a community may never reach the stage of climax community
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences