Question

1. the epa tested the water along the coast of california and found that it was high in phosphates and nitrates. what might the epa be most concerned about? (1 pt) (1 point) a. coral bleaching that could reduce the oxygen supply in the water b. the ozone layer, which could reduce the oxygen supply in the water c. an algal bloom that could reduce the oxygen supply in the water d. automobile emissions which could reduce the oxygen supply in the water e. a waste spill that could reduce the oxygen supply in the water 6. after an oil spill, rescued otters are experiencing numerous internal issues. which best describes what has occurred? (1 pt) (1 point) a. oiling b. uv oil radiation c. oil toxicity d. oil depletion

Explanation:

For question 5: High levels of phosphates and nitrates are nutrient pollutants that trigger rapid algal growth (algal blooms). As these algae die, decomposers consume large amounts of oxygen during breakdown, depleting dissolved oxygen in the water.
For question 6: Oil spills release toxic hydrocarbons that are absorbed by otters, leading to internal organ damage, immune system impairment, and other internal health issues, which matches the described symptoms.

Answer:

1. C. an algal bloom that could reduce the oxygen supply in the water
2. C. oil toxicity