Which of the following is not a mixture?
Group of answer choices
7-UP
sugar
air
seawater

Sugar

Explanation:

Mixtures are substances that made of two or more elements or other substances that are joined together by physical methods and when mixed can be also be separated by physical method into the original individual elements.

Air is a mixture of gases such as oxygen, nitrogen, carbon dioxide and rare gases. When an amount of air is collected, its constituents can be collected separately.

Likewise 7 up and sea water

Sugar is a compound made of carbon, hydrogen and oxygen, when sugar is decomposed, it's original constituents are not recovered but sugar is decomposed into carbon dioxide and water

? you expect us to answer this? ? this is your schoolwork, i don't think we can with this, i think it would considering being

colorless gas, exhibiting a blue glow when placed in an electric field

b) solid

its a type of rock