Which phrases describe oxygens roles in earths atmosphere check all that apply

Allows fuels to burn - Oxygen is the reason for combustion Is the gas that animals breathe - Survival is possible only because of oxygen. Forms ozone that absorbs the Sun's harmful rays - Ozone layer is made up of O3 which is oxygen.

edna is the protagonist of the novel, and the “awakening” to which who lives apart from her husband and children and is responsible only to her as a true confidante for edna despite their considerably different personalities. although robert lebrun is the man whom edna truly loves, arobin satisfies