It should be when people learned how to farm!!
Emily and Tamra are both proper nouns. Careful is an adverb. Stuff is a noun. Is is a verb. With is a preposition. And always is an adverb.
heres the thing there is no way someone can read that, but number four is style that is the only one i could read.
Podsnap's Technique is drilled close by the Bokanovsky Process. Podsnap's procedure accelerates the development of the eggs from an ovary, permitting many eggs from a similar ovary to be treated in the meantime. This implies a huge number of siblings and sisters can be conceived in "a hundred and fifty bunches of indistinguishable twins, all inside two years of a similar age."