How does a virus make people sick? (What does the virus do the the host cell?)

All living organisms are composed of a. only one cell. b. at least 100 cells. c. at least three cells. d. one or more cells.

The carbon cycle is best defined as a process in which a. carbon changes from inorganic forms to organic forms and back b. carbon is changed into other elements such as oxygen or nitrogen c. carbon is continually created from the sun’s energy by plants d. carbon is consumed and regenerated from other elements such as oxygen and nitrogen

Why are some people more concerned about shark survival than about shark attacks?