Some states elect their representatives at-large, which means?

At-large is a designation for members of a governing body who are elected to  represent the whole membership of the body like for example a state, club, city

At-large voting is in contrast to voting by electoral districts.

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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idk= i don't know the answer