I am Korean i don't know where is mumbai in india​

I'm Indian, from state of Kerala

Mumbai is in Maharashtra and is the capital city of the state Maharashtra

where r u from in Korea?

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.

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