RRB NTPC 29 April 2016 Paper
© examsiri.com
Question : 66 of 100
Marks:
+1,
-0
Increase in carbon dioxide in atmosphere is caused by which of the following reasons?
1. Excessive use of fossil fuels
2. Deforestation
3. Increased number of vehicles
4. Excessive use of solar heaters
1. Excessive use of fossil fuels
2. Deforestation
3. Increased number of vehicles
4. Excessive use of solar heaters
Go to Question: