Question

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.
please select the best answer from the choices provided.
a
b
c
d

Explanation:

To determine the large - scale geographic study, we analyze each option:

• Option A: Studies brush fires in Australia (a regional scale).
• Option B: Rising ocean levels affect marine ecosystems globally, as ocean levels are a global phenomenon and marine ecosystems span the world's oceans, so this is a large - scale study.
• Option C: Focuses on species in Australia (regional scale).
• Option D: Studies erosion in North Carolina (a local/regional scale).

Answer:

B. The effects of rising ocean levels on marine ecosystems.