There is a protocol signed to reduce production of CFC, known as
1). CFC Protocol
2). IR Protocol
3). Montreal Protocol
4). UV Protocol
1. A change of one degree on the Celsius scale is ____ a change of one degree on the Fahrenheit scale.
4. Which of the following is the most responsible for world water crisis?
5. The best way to check soil erosion is by providing adequate trees and
6. Nitrogen oxide and hydrocarbons released by automobiles interact to form
7. World's most problematic aquatic weed is
8. The outermost zone of a biosphere reserve is