Which of the following is a large resrvoir of organiv material from which simple organic compounds are obtained?
(i) Sea water
(ii) Petroleum
(iii) Biomass
(iv) Caol

Options

A. (1) (i), (ii)
B. (2) (ii), (iv)
C. (3) (ii), (iii)
D. (4) (iii), (iv)

Answer

B

Explanation

Both petroleum and caol are organic in the old sense, being the products of decay of plants and animals. We recongnize them as fossil fuels, laid down over millennia and non-renewable.
Fossil fuels originally came from biomass, which is renewable.