Question

question 3 scientists discover that fish have abnormally high levels of lead in their bodies. which type of waste disposal most likely caused this phenomenon? combustion composting ocean dumping landfills

Explanation:

Lead - containing waste in water can be ingested by fish. Ocean dumping involves disposing waste directly into the ocean. Combustion mainly releases pollutants into the air. Composting is for organic waste and won't introduce lead to fish. Landfills are on - land waste disposal sites and less likely to directly contaminate fish in water compared to ocean dumping.

Answer:

C. Ocean dumping