Which part of the appeal would be most engaging to an unbiased reader? denouncing the democratic
administration asserting trust in the American peoples ability to uphold longstanding values
comparing the republican tactics with the four horseman
summarizing the reason for change

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.

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there is no sentence to look at.