A. Koyoto protocol
B. Ottawa treaty
C. Montreal protocol
D. Oslo Accord
Submitted by: Palestine
Author: Melody
A. Treaty among nations to reduce nuclear arsenals
B. Climate control treaty
C. Treaty to protect ozone layer
D. Trade policy about tarrifs
Submitted by: Palestine
A. 400 to 800 ppm
B. 4000 to 8000 ppm
C. 0.4 to 0.5 ppm
D. 4 to 5 ppm
Submitted by: Palestine
A. due to presence of dust in air
B. carbon dioxide and water in clouds react to form carbonic acid
C. Ozone depletion
D. All of these
Submitted by: Palestine
A. Sulphur dioxide
B. Carbon dioxide
C. Nitrogen dioxide
D. CFC’s
Submitted by: Palestine
A. Cuba
B. Peru
C. Mexico
D. Chile
Submitted by: Palestine
