Which of the following is true about carbon?

• A. Carbon typically forms three covalent bonds within compounds.
• B. Carbon can form double or triple bonds, which can change the shape of a molecule.
• C. Carbon is one of the most important elements in the study of living organisms.
• D. Carbon will bond with other elements, but not typically with other carbon atoms.
• E. both the first and second choices
• F. both the second and third choices.
• G. all of the above
• H. none of the above