What effect would thick cloud cover have on the temperature of the earth's surface?

Achange in the number of neutrons in an atom will change an blank . when the number of protons changes in an atom, a new element will form.

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

Which atom or ion is the largest? a. k b. k+ c. ca d. ca2+ e. li