Gas produced during combustion of fossil fuel

Options :
  1. methane
  2. oxygen
  3. N2O
  4. CO2

Answer and Explanation :-

Answer: Option 4


Sorry there is no explanation for this answer. Please help others by posting your response below

How do you rate this queston?  Very Easy  Easy  Average  Above Average  Tough

Previous Question : Example of greenhouse gas is

Next Question : gas used in refrigerator is

Click here for free online test on Ecosystem


 (Getemail alerts when others member replies)

God allows us to experience the low points of life in order to teach us lessons that we could learn in no other way.
-C.S. Lewis