Answer:
greenhouse gasses are the gasses that have the property of absorbing ultraviolet radiation emitted from Earth's surface and re radiating it back to Earth's surface.
Explanation:
The summary of the main idea is the conclusion
Beowulf goes to Hrothgar's kingdom to try and defeat the monster.
The character that proposes the story telling competition that frames the remainder of the Canterbury tales is : Bailey
After creating the competition, Bailey quickly appoint himself as the judge for that competition
hope this helps
