Famine means lack of food. Dying of famine is dying of starvation
Prepositions are words such as aboard, above, across, after, along, anti, around, as, at, before, beneath, below, behind, beside, by, but, beyond, between, concerning, considering, down, during, except, for, following, like, inside, into, minus, near, off, on, onto, plus, through, to, under, up, upon, with, withought and many more!! in your sentence the prepositions would be on, now, and for that i know of but there could be more!! Hope this helps!!!:)
A. What he loves. (I am in Spanish 3)
William Harvey,a Britsh scientist ,was responsible for discovering the circulatory system