how does CO2 compare to H20 as a greenhouse gas?

Question: how does CO2 compare to H20 as a greenhouse gas?
- Keywords:
  CO2,
  greenhouse gas,
  H20
Asked by here485ewe on 4 Jul 2023.
- Alexander De Bruin answered on 4 Jul 2023:
  
  atmospheric water vapour can amplify the warming effect of other greenhouse gases, such as CO2 and methane. The water vapour helps to trap the warm air in the atmosphere, which leads to more evaporation from the oceans, which leads to even more warming!

Question: how does CO2 compare to H20 as a greenhouse gas?