Question

PASSAGE
Bruce, a research chemist for a major petro-
chemical company, wrote a dense report about
some new compounds he had synthesized in
the laboratory from oil-refining by-products.
The bulk of the report consisted of tables listing
their chemical and physical properties,
diagrams of their molecular structure, chemical
formulas and computer printouts of toxicity
tests. Buried at the end of the report was a
casual speculation that one of the compounds
might be a particularly effective insecticide.
Seven years later, the same oil company
launched a major research program to find
more effective but environmentally safe
insecticides. After six months of research,​

Answer 1

Explanation:

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