The total amount of CO2 that photosynthetic organisms convert to organic carbon each year is called ________
A) NEP
B) organic carbon assimilation
C) NPP
D) GPP
E) carbohydrate synthesis
Answer: D
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All of the following are commonly mined from sulfide ores except
A. aluminum. B. lead. C. copper. D. zinc.
Calculate the change in sea level (in km) if the ice sheets melted, and
write your result below (see sidebar). What will be an ideal response?
How is the development of capitalism in northwest Europe related to Protestantism, at least according to Max Weber?
A) Building new Lutheran churches required congregations to invest money in banks. B) Protestant faiths were often spread by merchant classes who were based in Italy. C) Often traders in Europe would only do business with Protestants. D) Protestants were likely to save money, delay gratification, and see material success as God's grace. E) Leaders of these new branches of Christianity would supply dry (non-alcoholic) areas of Europe with liquor, circumventing official trade barriers.
According to your text, about what percent of the populations of the United Kingdom and the U.S. are engaged in the agricultural sector?
A) 2% B) 8% C) 10% D) 25% E) 50%