单选题Which of the following is NOT mentioned as a reason for the global warming?A The burning of fuels such as coal or oil.B The clearing of forests.C The cultivation of farmland.D The negative consequences of human activities.
题目
单选题
Which of the following is NOT mentioned as a reason for the global warming?
A
The burning of fuels such as coal or oil.
B
The clearing of forests.
C
The cultivation of farmland.
D
The negative consequences of human activities.