What are the possible effects of the increase in CO2 concentration in the atmosphere?
a. Changes in local temperatures.
b. Increase in sea level.
c. Migration of plants and animals.
I. The temperature in Alaska has increased by 1.9°C in the past 50 years.
II. An increase of 1 meter in sea level by 2100 would displace tens of millions of people in Bangladesh.
III. The vegetation of certain areas of the globe could migrate to regions hundreds of kilometers closer to the poles.
IV. The increase in CO2 concentration in the atmosphere has no effect on the environment.
a) I and II are correct.
b) II and III are correct.
c) I, II, and III are correct.
d) Only IV is correct.