Question

Four students A, B, C and D went to a village during summer holidays for social service. One day they observed the heap of hay catching fire on its own. They understood it as
A: Rapid combustion
B: Slow combustion
C: Spontaneous combustion
D: Explosion
The correct answer is given by
(a) A
(b) B
(c) C
(d) D

Answer 1

Answer:

Rapid combustion

Explanation:

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