Question # 2

Passage:

“Artificial reefs are built to restore marine habitats and support biodiversity, but long-term ecological impacts remain uncertain.”

Question: What concern is mentioned?

Options:

A.

Lack of biodiversity benefits

B.

Uncertainty of long-term impacts

C.

High cost of reef construction

D.

Decline in tourism

Viewing question 2 out of 72 questions
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