Question

Which of the following is not a natural phenomenon?
(a) earthquake
(b) cyclone
(c) lightning
(d) nuclear explosion​

Answer 1

Answer:

nuclear explosion...

Answer 2

(d) nuclear explosion is not a natural phenomenon.

• Natural phenomenon is referred to as phenomenon where no human involvement is there. The reasons for occurence of such phenomenon are completely natural.
• Earthquake occurs due to clashes in tectonic plates.
• Cyclon occurs due to difference in air pressure.
• Lightning occurs due to difference in charge between ground and clouds, when negatively charged electrons in clouds interact with positive charge on ground.