The compound NaCl (salt) has the same properties as sodium (Na) and chlorine (Cl) because it is made of both of those elements. True
False

The different layers of gases that extend form the surface of the earth into space

Respiration involves the breakdown of sugar. this process results in the production of energy for the cell. i'm order for cells to produce the most energy, what gas should be present?

Pls will give brainlist if correct