Why is there such little waste in nature?
A. The sun is an inexhaustible resource.
B. Organisms naturally avoid activities that create unnecessary waste.
C. The wastes and decayed bodies of any organism become nutrients or raw materials for other organisms.
D. The earth is so vast that natural waste is not easily identified.
E. Waste is chemically unstable.
Answer: C
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List at least three possible hidden costs associated with burning gasoline in an automobile.
What will be an ideal response?
Demographic transition theory holds that
A) advanced industrial states will have high rates of population growth. B) preindustrial states will have both low birth rates and death rates. C) high levels of economic production will lower birth rates. D) periphery and semiperiphery states cannot become core states. E) there is a maximum population size for every place.
Judge the following sentence according to the criteria given below: The decline of glacial ice in alpine
and ice-cap glaciers from mid- and low-latitudes is not significant BECAUSE only very few glaciers have been surveyed. a. The assertion and the reason are both correct, and the reason is valid. b. The assertion and the reason are both correct, but the reason is invalid. c. The assertion is correct, but the reason is incorrect. d. The assertion is incorrect, but the reason is correct. e. Both the assertion and the reason are incorrect
Currently, the two land uses that cause the most deforestation in the Amazon River basin are soybean cultivation and cattle ranching
Indicate whether the statement is true or false