GMAT Verbal Reasoning Practice Test 3

Question : 19 of 100

Marks: +1, -0

The increased concentration of salt in the bay, which is the result of recent drought and high temperatures, will cause many fish to die. Shrimp, however, can tolerate high salt levels; the shrimp industry will not, therefore, be hurt by the increased concentration of salt.
Which of the following statements, if true, would weaken the argument above?

Some fish will migrate to areas that have lower concentrations of salt.
Lack of rainfall for extended periods of time lowers the water level of bays.
The organisms on which young shrimp feed cannot survive in such salty waters.
Increased water temperature often causes shrimp to multiply more quickly.
Shrimp are more abundant in areas of the bay that are sparsely populated by fish.

Validate

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