What is scrooges favorite 4 letter word

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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where exactly is the sentence

i guess the cause and effect would show how being around the smoke(the cause) can have negative effects on the body.

explanation: