Which is considered a physical factor?

A) Diffusion
B) Dissolved nutrients
C) Surface-to-volume ratio
D) Active transport


B

Environmental & Atmospheric Sciences

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Instructions: Choose one answer from each pair of selections. Halos are sometimes observed in thin, sheetlike, high clouds, composed of WATER | ICE particles

Environmental & Atmospheric Sciences

In many areas where natural gas lines are not available, homes are heated during the winter months by furnaces that burn propane. Calculate the amount of CO2 released into the atmosphere by 100,000 homes if each house consumes on average 600 gallons of propane during this period.

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Environmental & Atmospheric Sciences

Despite the global economic downturn, Sub-Saharan Africa's economic growth of 5 percent annually in the past two decades was twice its pace in the previous two decades, placing it among the world's fastest growing regions

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

Environmental & Atmospheric Sciences