Answer:
The correct option is B) Legally requiring dogs to have rabies shots will reduce the number of rabid dogs.
Explanation:
A positive statement can be described as a statement which described what is, was or will be. These kinds of statements are based on empirical evidence. In simple words, a positive statement can be described as a statement which is made based upon facts.
As the statement B, Legally requiring dogs to have rabies shots will reduce the number of rabid dogs, is based on facts and described what will be hence, it is an example of a positive statement.