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

What material did the moon come from?

The double bond between a carbon atom and two oxygen atoms (a molecule of carbon dioxide) has two characteristics. what are they? a.an ionic bond is formed between the oxygen and carbon atoms. b.four valence electrons are shared. c.two valence electrons are shared. d.valence electrons are shared between oxygen atoms.

In what ways does the study of human population differ from the study of wildlife ecology