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Methane Gas.     It would NOT be Nitrogen, Helium, or Oxygen gasses.                                                

The molecule that contributes to the greenhouse effect are water molecules and methane.

What is the greenhouse effect?

The greenhouse impact is the manner wherein warmth is trapped near Earth's floor by “greenhouse gases.” These warmth-trapping gases may be idea of as a blanket wrapped round Earth, retaining the planet toastier than it'd be with out them.

  1. Carbon dioxide: Made of 1 carbon atom and  oxygen atoms, carbon dioxide molecules make up a small fraction of the atmosphere, however have a big impact on climate.
  2. The molecules that make a contribution to the greenhouse impact are people with a nontrivial vapor stress at Earth’s floor temperature (in any other case they won’t be capable of evaporate into the atmosphere) and that are compounds withinside the experience of together with  or extra elements.

Read more about the greenhouse :

https://brainly.com/question/20349818

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