Consider the following statements.
I. The simplest hydrocarbon is methane (CH4).
II. Hydrocarbons support life directly as carbohydrates, proteins, nucleic acids.
III. Benzene is unsaturated cyclic hydrocarbon.
Which of the statements given above are correct?
(a) I and II
(b) I and III
(c) II and III
(d) I, II and III
