Olivia is conducting research about the history of voting rights in the United States. Which source on her list is the most credible source?

The correct answer is B) an Encyclopedia also will you plz mark as brainliest.

Explanation:

b. they require a huge investment of time, dedication ,training, and patience almost from the day they are born.

explanation:

the sentence gives a clear evidence of how carefully the sar dogs are selected and also specify from what time this exercise begins."almost from the day they are are born." this sentence shows as that this exercise begins early.

if you need any clarification or more explanation pls do mention in the comment section.

      hope this and if it does pls mark as branliest answer thx

kellan is struggling with the amount of work he has to do

hope this : 3