Question

7. Petrol and diesel possess:
a)burning
b)heat energy
(c) chemical energy
d) mechanical energy
.. The energy generated by the sun is due to:
(a) burning
(b) nuclear fusion
(d) nuclear fission
(d) none of these​

Answer 1

Answer:

1.When these fuels burn, they release heat energy and light energy to the surroundings in exothermic reactions.

2.The energy has been produced by nuclear fusion in the core region through a series of nuclear reactions called the p–p (proton–proton) chain; this process converts hydrogen into helium.