A bee carrying pollen from one flower to another represents what kind of natural function?

A. ecosystem service
B. resource commodity
C. greenhouse effect
D. scientific model


Answer: A

Environmental & Atmospheric Sciences

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In seed plants, what stage in the alternation of generations is largest?

A) diploid gametophyte B) haploid gametophyte C) diploid sporophyte D) haploid sporophyte

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A glacier covering at least 50,000 km2 and unconfined by topography:a

ice cap d. cirque b. continental glacier e. valley glacier c. moraine

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A country's level of wealth is not the only factor determining the degree of automobile dependency in cities. ________ is also an important factor

A) Availability of transportation alternatives B) Whether a country is developed or developing C) Access to freeways D) Extent of urban decay E) Availability of hybrid vehicles

Environmental & Atmospheric Sciences

The gradient of a stream is

A. the volume of water passing a point per unit time. B. steepest near the stream's head (upper end). C. the product of velocity times width times depth. D. steepest near the stream's mouth (lower end).

Environmental & Atmospheric Sciences