Which of the following best completes the argument below?
One effect of the introduction of the electric refrigerator was a collapse in the market for ice. Formerly householders had bought ice to keep their iceboxes cool and the food stored in the iceboxes fresh. Now the iceboxes cool themselves. Similarly, the introduction of crops genetically engineered to be resistant to pests will______
(A) increase the size of crop harvests
(B) increase the cost of seeds
(C) reduce demand for chemical pesticides
(D) reduce the value of farmland
(E) reduce the number of farmers keeping livestock
For this type of argument you want to find the option that MUST be true given the content of the argument (premises). Here is the argument structure:
Refrigerator collapsed the ice market because the refigerator cooled food without the need of ice.
Similarly, Pest resistant crops will ....
Your answer should discuss some product's collapse due to a new product replacing the need for that older product.
A - Irrelevant - Doesn't discuss a separate, pre-established product
B - Irrelevant - Doesn't discuss a separate, pre-established product
C - Correct - Talks about a previously required product (pesticides) will be displaced by the new product (pest-resistant crops)
D - Out of Scope
E - Out of Scope
Kyle Widdison | Manhattan GMAT Instructor | Utah
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