Which of the following is a chain smoker likely to develop? select one of the options below as your
a. hepatitis
b. lung cancer
c. blood cancerb. lung cancer is a desease a chain smoker most likely to develop?

There are six elements that make up most of the human body. which of the following is not one of these six elements?

Which conditions are necessary for natural selection to occur? select all of the answers that apply. a. inheritable adaptations vary among individuals. b. the population size is increasing. c. more individuals are born than can survive. d. fitness varies among individuals. e. the environment changes suddenly and drastically.

Nucleic acid certain protein cell membranes certain carbohydrates