Respuesta :
A study on a large scale should have a bigger focus than just one country, or even one continent. Because of this, a study focusing only on Australia (answers a and c) are not good examplef for large-scale studies and neither is one focusing on North Carolina (answer d).
The correct answer is
b. The effects of rising ocean levels on marine ecosystems.
The correct answer is
b. The effects of rising ocean levels on marine ecosystems.
Answer: The answer is D
Explanation:Because the rest of the answers are on a small scale.