Study the given flow chart.
Which of the following belongs to category X and category Y respectively?
| X | Y |
| (A) Geothermal energy | Solar energy |
| (B) Petroleum | Geothermal energy |
| (c) Petroleum | Coal |
| (D) Solar energy | Wood |
1
(A)
2
(B)
3
(C)
4
(D)
5
Not Attempted