Answer:
Any of a group of submicroscopic entities consisting of a single nucleic acid chain surrounded by a protein coat and capable of replication only within the cells of living organisms: many are pathogenic
Answer:
Yes, smoking (or chewing) tobacco can make people aggressive. First, while smoking and just after finishing smoking , people report feeling "good". That is, smoking gives them a sense of pleasure.
Explanation:
The equation for the chi squared value is the (observed-expected)^2/E
Vestigal structures is the answer!!
