Which of the following is not transported through a pipeline?
Natural gas
Petroleum
Iron ore
Water
Which of the following is not a fossil fuel?(a) coal(b) petroleum gas(c) biogas(d) natural gas
Classify the following into renewable and non- renewable resources
(i) trees
(ii) fish
(iii) petroleum
(iv) coal
(v) iron-ore
(vi) water
Which of the following is a gas released by the usage of petroleum and coal but not poisonous?