Which of the following is not a natural cause of climatic change?

ASolar activity
BHuman activity
CVolcanic activity
DEarth's tilt

any help? thanks

Verified Answer :

I think its LETTER B

I think the correct answer from the choices listed above is option B. It is human activity that is not a natural cause of climatic change. Human activity do not happen as it should be. It depends on us how we do things and how much we think how it affects the environment.