Sagot :
Answer:
Coral reefs provide an important ecosystem for life underwater, protect coastal areas by reducing the power of waves hitting the coast, and provide a crucial source of income for millions of people.
Answer:
When coal dust is released in the marine environment it can damage marine ecosystems. Coal contains a number of different chemicals, but it is polynuclear aromatic hydrocarbons (PAHs), which are known carcinogens, that are of most concern.Oil spills are another source of PAHs in the marine environment.
Explanation:
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