Question
Statement: Small amounts of oil can cause coral
reef fish to engage in risky behaviours, according to a new study. Which of the following substantiates the above statement? (i) Pollution by oil impairs fish’s ability to survive in key environments like the Great Barrier Reef. (ii) The international study monitored what happened when six species of fish were exposed to oil in their first three weeks of life.Solution
Option (i) also substantiates the statement as it states that the presence of oil impairs the fish’s ability to survive. Option (ii) neither supports nor negates the statement it only gives further description of the methodology of the study. Thus, the correct answer is option 1.
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