Which is the ultimate source of energy?
(A) Water
(B) Sun
(C) Uranium
(D) Fossil fuels
Answer : (B)
sun is the ultimate source of energy. Photosynthesis is driven by sunlight. All the producers in a food web make their food by absorbing sunlight. Solar energy has the potential to fulfil all power needs. All our fossil fuels are derived from plants which existed millions of years ago.
Therefore, option (B) is correct