Answer: remove CO2 from the atmosphere during respiration
Explanation: I got the question right
The answers is three molecules of water
Explanation:
A pure substance is a form of matter that has a constant composition and properties that are constant throughout the sample. Mixtures are physical combinations of two or more elements and/or compounds.
Mixture is a combination of different things in which the component elements are individually distinct.
a pure substance consists only of one element or one compound. a mixture consists of two or more different substances, not chemically joined together.
