Can you please help me with this as soon as possible Thabks

Seltzer water is created by placing water under pressure with carbon dioxide gas. which of the following statements best describe seltzer water: a. the solution will be slightly acidic b. the solution will be slightly basic. the solution will be strongly acidic. d. the solution will be strongly basic. e. the solution will be neutral

Air can be considered a mixture. which statement does not explain why?

How much carbon is stored in the atmosphere as co2