Task 1

16.Paragraph       ①      

17.Paragraph      ③        

18.Paragraph      ④    

19.Paragraph      ⑥                

20.Paragraph      ⑦     

A. Soot's Role in Climate Changes Above Oceans and Land

B. Observations of Warming in the Northern Hemisphere

C. Explanation of Increased Warming Effect Caused by Soot

D. Black Soot in Snow and Icy Areas Leading to Climate Change

E. Black Soot Contributing to Global Warming

F. Greenhouse Gases as the Main Factor of Global Warming

Despite the hostile environment, both animals and plants can be found in the oceans and on land

in polar areas. 

• A、True
  
  

• B、False
  
  

• C、Not Given
  
  

Antarctica is colder than Arctic on average.

• A、 True
  
  

• B、False
  
  

• C、Not Given