Which of the following statements is most accurate?

a: the physical environment may affect human activities, and human activities may affect the physical environment.

b: the physical environment has no effect on human activities, but human activities may affect the physical environment

c: the physical environment does not affect on human activities, and human activities do not affect the physical environment

d: the physical environment may affect human activities, but human activities have no effect on the physical environment

Shaken by the collapse of the steel industry, which had provided them with an unshakable sense of identity for more than a century, pittsburghers hunkered down and built a new economy based on services, medicine, education, and technology. in the process, they transformed their community from one driven by quantity of production into one devoted to quality of life. —peter miller, "pittsburgh: stronger than steel," national geographic, december 1991. the community remodeling carried out in pittsburgh was accomplished partly through the conversion of old factories for new uses—a process known as a. urban renewal. c. gentrification. b. retooling. d. urban pioneering.

Which of the following crops is not typically grown in the great plains region? a. corn c. soybeans b. rice d. wheat

Based on the information in the graph, what can you conclude about humans in the world in general?