True or false? most of the air we breathe is oxygen.

➷ I would assume it to be false since Oxygen isn't the most prevalent gas in the atmosphere.

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False

Step-by-step explanation:

False Respiration is a chemical reaction for releasing energy, whereas breathing is a physical process for taking air into the lungs. ... False Inhaled air has less carbon dioxide in it than exhaled air. 12. Oxygen is needed for respiration to make energy for the cell.

its not b

step-by-step explanation:

a. turk and mcalister

b. howard, mission, and market

c. yes. since streets end some do not cross yet are not parallel to others. example: mcalister and 5th

step-by-step explanation:

parallel lines are lines which do not intersect ever and look a lot like railroad tracks. turk, mcalister and golden gate are examples of these.

intersect are streets which cross each other and a car on one can reach the other. howard, mission, and market intersect with 6th.

skew lines are lines which neither intersect nor are parallel. these lines exist here because some streets end and never intersect another like mcalister and 5th.