What is the best pronoun to complete this sentence: “Many pl...

Read the following text and answer question.

Introduction to Climate change

Many people make Climate Change and Global Warming a scary and difficult thing to understand, _______ it’s not.

Scientists have warned that the world's climate has changed a lot, and has affected many living and non-living things. Many places _______ were warmer are now getting colder, and many colder regions are getting much colder or even warmer nown as Global Warming).

For example, _________ 1901 and 2012, it is believed that the earth's temperature has risen by 0.89 °C. Rainfall amounts have also risen in the mid-latitudes of the northern hemisphere since the beginning of the 20th Century. It is also believed that sea levels have risen up to about 19cm globally, with lots of glaciers melting in addition.

Some people do not believe that these are caused by human activities. They think it is all political actions and falsehood intended to cause panic among humans.

Well, whatever it is, we would like to know more, and take a few good points from this confusion, and use them to make our world a better place to live. 

(Adapted from: https://goo.gl/xQnjzZ. Access: 01/22/2018)