If glass panels help trap heat, how could they be used to help a farmer keep his plants warm in a cooler climate?

Yes. The farmer could make a greenhouse using the glass panels, which would trap the heat and keep the plants warm in the winter.

He got it right defiantly right

Europe needs to build a trump-like wall that will spread across europe making it impossible for migrants to cross they need to spread pig guts all over this wall so the muslims will never consider crossing into europe..you might be asking "can't they just fly over with planes? " well yes they can so we will install thaad missile protections system to shoot down any aircraft that violates europe's air fourth would be to start a fourth reich in germany.. last but not least.. make europe great again!