What is true of carbon atoms? a)they are not found in living organisms. b)they have five valence electrons. c)they can form up to four covalent bonds. d)they do not bond with other elements.

Which would freeze at a higher temperature: the great salt lake or lake tahoe? a. lake tahoe would freeze at a higher temperature. b. the great salt lake would freeze at a higher temperature. c. both lakes would freeze at the same temperature.