The scientific view is that the increase in global temperature should not exceed 20C above pre-industrial level. If the global temperature increase beyond 30C above the pre-industrial level, what can be its possible impact/ impacts on the world?

Question

I. Widespread coral mortality will occur.

II. All the global wetlands will permanently disappear.

III. Terrestrial biosphere tends towards a net carbon source.

IV. Cultivation of cereals will not be possible anywhere in the world.

Select the correct answer using the code given below.

[A] I only

[B] I and II only

[C] II, III and IV only

[D] I, II, III and IV

Answer & Explanation
Option: [D]