Choose the defining characteristic of a refracting telescope (refractor). A.) mirrors only

B.) lens only

C.) a combination of mirrors and lenses

D.) a digital camera

Sarah and john are having a discussion on genetic diversity. sarah believes that it happen over a long period of time. john it happens immediately. who is correct? a. sarah is correct because genetic diversity occurs over a long period of time. b. john is correct because genetic diversity occurs immediately. c. both are correct because genetic variation can occur or long period of time. d. neither are correct because genetic diversity occurs over any period of time

How does science influence the decisions made about social, economic, and political issues?

What material did the moon come from?