Which is considered a physical factor?
A) Diffusion
B) Dissolved nutrients
C) Surface-to-volume ratio
D) Active transport
B
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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