Answer:
A plasmid is a small, often circular DNA molecule found in bacteria and other cells. Plasmids are separate from the bacterial chromosome and replicate independently of it.
D. Because of the columbian exchange, more food was produced and different variety of food and nutrients were introduced into the world's diet
Answer:
Language, hand shakes, pointing/ opening palm to guide the eyes to something
Explanation:
I would need more details before I can make one clear answer, hope this helped!