what is the meaning of "The children, small seeds, might at any instant be sown to all the Martian climes."

The children, small seeds, might at any instant be sown to all the Martian climes is a METAPHOR.

Explanation:

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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