Which of the following examples best represents a geographic study on a large scale?

a. the effects of global warming on the frequency of brush fires in australia.

b. the effects of rising ocean levels on marine ecosystems.

c. the impact of introduced species on the native species of australia.

d. the erosion of the north carolina coastline.

What led to the creation of suburbs in the early 1900s

Which of the following statements best describes the spread of communism in the years immediately following world war ii? a. the number of communist countries increased during these years. b. the number of communist countries decreased during these years. c. the number of communist countries stayed the same during these years. d. the number of communist countries increased in asia but decreased in europe. ( answer in the format above for me to understand)

Which product would have been most likely to have been traded in this area at this time?