the way to get this answer would be to find the answer that has less undissolved mass because you have to find the one with higher solubility, which also means the one that can dissolve the most mass.
Oxygen is transported in the blood in two ways: A small amount of O 2 (1.5 percent) is carried in the plasma as a dissolved gas. Most oxygen (98.5 percent) carried in the blood is bound to the protein hemoglobin in red blood cells. A fully saturated oxyhemoglobin (HbO 2) has four O 2 molecules attached.
(https://www.cliffsnotes.com/study-guides/anatomy-and-physiology/the-respiratory-system/gas-transport)
In areas with high winds and lower levels of moisture, the coyote brush hugs low to the ground surface forming a cover over dunes. The coyote brush is a plant growing in a chaparral biome being able to withstand extreme heat conditions. The coyote brush adaptation to its environment is one of the most unique characteristic of this plant.
Option c carbon hydrogen and oxygen