Which three lines in these excerpts show the painful and filthy conditions faced by soldiers in the trenches during World War I?

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

he describes the bird as "stately."

i hope this

~ash belle