Which of the following best distinguishes organic from inorganic molecules?

a. nearly all organic molecules contain at least two carbon atoms combined with one or more other elements

b. organic molecules contain at least two atoms

c. inorganic molecules contain no carbon atoms

Furthermore, ALL organic molecules on Earth can best be described by which of the following statements?

a. organic molecules are naturally produced on Earth

b. organic molecules on Earth are all safe and necessary for life on earth

c. not all organic molecule