A major effect of oil pollution in coastal waters is the…
A major effect of oil pollution in coastal waters is the
A. destruction of marine life
B. desalination of the water
C. increase in the acidity of the water
D. detoxification of the water
A pretty straight forward question; oil spillages and pollution are a well-known killer of marine life. When crude oils spill, thick layers of oil usually float on water, preventing oxygen from dissolving into the water. When oxygen is restricted from dissolving in water, marine lives which depend on dissolved oxygen for respiration, begin to die out. Over time, many aquatic lives might even be irreversibly destroyed.
Now for the right answer to the above question:
- Option A is correct. marine lives will be denied oxygen and light.
- Option B is incorrect. oil pollution does not desalinate waters.
- C is incorrect. oil pollution does not increase the acidity of waters.
- D is not the correct answer. In fact, oil pollution actually toxifies water.
You may please note these/this:
- Crude oil spillage and pollution has been a major concern especially for communities hosting oil companies, this is because both farmlands and water bodies affected are always found to be destroyed.
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/ culled from 2015 JAMB-UTME Chemistry past question 17 /