OBSERVE THE USE OF SIMPLE PAST (-ED) AND PAST CONTINUOUS (WAS/WERE +ING) AND ORDER THE SENTENCES.

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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when i skim a text i look for anything i'm trying to find, like keys or clues or i just want to see if it is interesting to me.

explanation:

vey information about pap? physical description beliefs actions interactions