Answer :
The correct answer is B. If there was an increase in nest sites, the pigeon population would increase. This would of course be due to the greater amount of space in which the pigeons could breed and raise their offspring. Hopefully that's answered the question for you.
The population of pigeon would increase if there is an increase in the nest sites and is denoted as option B.
What is a Nest?
These are usually built by animals which serves as housing structures for their eggs and young ones.
Increase in it means more reproduction occurring which will therefore increase their population.
Read more about Nest here https://brainly.com/question/1794755
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