The concentration of which of the following nutrients limits productivity in the waters near Antarctica and the Galapagos Islands?
A) Iron
B) Nitrogen
C) Phosphorus
D) Silica
E) Sodium
A
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Although Homo erectus had migrated outside of Africa, some scientists believe that modern
humans evolved in one African location, and then migrated from Africa. Indicate whether the statement is true or false.
Exurbs are "boomtowns" that are in remote areas for only one reason--access to
A) hiking and camping. B) farmland. C) wildlife. D) affordable housing. E) free parking.
Why does the Florida peninsula experiences the greatest frequency of midafternoon thunderstorms of any place in the United States?
A) It gets the water vapor from the trade winds crossing the Atlantic Ocean that fuels the thunderstorms. B) It is further south and warmer than any other place in the United States. C) It is near the Bermuda Triangle. D) It gets winds blowing from the oceans on both sides and they collide in the middle of Florida and rise to generate thunderstorms.
The locavore movement
A. is based on the consumption of raw foods. B. entails the consumption of local foods and tends to be less energy consumptive. C. entails the consumption of local foods. D. tends to be less energy consumptive. E. entails the consumption of local foods, tends to be less energy consumptive, and is based on the consumption of raw foods.