Unfortunately no, my friend is not correct. The CO2 pollutants leaving his exhaust are warm, yes, but that is why our atmosphere is creating global warming which is affecting climate in all regions. When there is more people that means more cars and more pollutants being dispersed into our atmosphere.
The given passage depicts the chivalric value that Gawain is displaying in the excerpt is - loyalty to his king
He is loyal to the king and says he will stand by the king. This show his devotion and dedication towards the king. This proves his loyalty towards him.
So the correct answer is loyalty to his king.
D) increase the immune response of the skin.
I had a histiocytic cancer called Langerhans Cell Histiocytosis (LCH), so you can trust my answer. I know more than I should about this topic.