Answer: genetically engineered foods
Explanation: on e2020
The solution that was proposed for the issue of food shortages and contamination was C. genetically engineered foods.
This refers to the problem solving which is gotten as a result of a problem that brings an end to the problem.
Hence, we can see from the complete text that one of the solutions that were provided to the problem of food shortages and contamination was to make use of genetically engineered foods
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