Stephen is reading about the life cycles of stars. One of the more interesting points that he is reading about is that as the star gets older its
color changes to more of the red end of the spectrum. Where on the
diagram would the older stars in the galaxy be found?
*
-area a
-area b
-area c
-area d

Viruses can be transmitted through air, water, food, insect bites, and direct skin contact. once a virus gains entry into the body, it invades a host cell in order to? a. synthesize antibodies for defense b. deactivate the host cell's defenses c. access cell processes for reproduction d. metabolize host proteins and grow