Why does an electron have an opposite charge and a smaller mass to a proton

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

In which phase(s) do the molecules take the shape of the container?

Ill give u brainliest pls how is mass of carbon conserved during cellular respiration