Since she uses the derogatory word for the Union soldiers, it is the second option.
During photosynthesis, plants take in carbon dioxide and create oxygen, which is what humans breath. So, when the human breaths in the oxygen, in the process of cellular respiration, we create carbon dioxide and it goes in a cycle.
A. Sir Marhaus was killed and Sir Tristram was seriously wounded. In order to free his uncle King Mark of Cornwall, Tristan fought Sir Marhaus in a duel. Tristan was 18 whereas Marhaus was much older at the time of the duel. The faster Tristan won the duel but was wounded by Marhaus who used a poisoned spear during the fight and went to Ireland to be healed.
