Draw the condensed structural formulas for all the possible haloalkane isomers that have four carbon atoms and a bromine.

The isomers are shown in the image below.

Explanation:

Isomers are defined as the chemical compounds having the same number and kinds of atoms but arrangement are different.

For the alkane having four carbon atoms and 1 bromine atom, the IUPAC name of the haloalkane is bromobutane

There are 4 possible isomers for the given haloalkane compound:

The isomers of the given organic compound is shown in the image below.

the answer is b because, investigating whether another species of moth also drinks tears might be interesting, but it would not directly explain why this species of moth does.

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the scientist could experiment with moth repellent or oter ways to keep the moths away, but that would not answer his original question.