My favorite food is raw onion. Have you ever tried it?
I like cooked onion a lot. I also like it's close relatives garlic, shallot, leaks and chives.
Yes, they are very similar. Do you know what gives them that strong characteristic "onion taste"? 
I'm not sure and no one really knows where its wild original form came from. 
Interesting. Do you know if onions will grow in the wild? Or were just developed by farmers? 
They grow wild as well. Most frequently it's a perennial but most farmers treat it as an annual. They usually harvest in it's first growing season
Interesting, I had no idea. I like to add the onions on my sandwiches. Do you know what health benefits we get from eating onions?
fan of hollow, bluish-green leaves and its bulb at the base of the plant begins to swell when a certain day-length is reached. The bulbs are composed of shortened, compressed, underground stems surrounded by fleshy modified scale (leaves) that envelop a central bud at the tip of the stem. In the autumn (or in spring, in the case of overwintering onions), the foliage dies down and the outer layers of the bulb become dry and brittle. The crop is harvested and dried and the
Scallion
Scallions (also known as green onions, spring onions, or salad onions) are vegetables of various "Allium" onion species. Scallions have a milder taste than most onions. Their close relatives include garlic, shallot, leek, chive, and Chinese onion.
Although the bulbs of many "Allium" species are used as food, the defining characteristic of scallion species is that they lack a fully developed bulb. "Allium" species referred to as scallions have hollow, tubular green leaves growing directly from the