Question

the survival of our civilization is threatened by?​

Answer 1

The survival of our civilization is threatened by
a) Natural Disasters
b) Man made Disasters

Answer 2

Answer:

The survival of our civilization is threatened by a) Natural Disasters and b) Manmade Disasters. Natural disasters can be of various types i.e. flood, earthquake, Tsunami etc.

The natural disasters are beyond of human control and can cause severe damage to the mankind. The manmade disasters can be fire caused by any factory, extraction of any poisonous gas or chemical contamination to the water.

Explanation: