Tap water has a higher conductivity reading than distilled water

a) distilled water contains ions

b) both contain ions but tap contains more ions

c) tap water contains ions

because u need two or more forms of the same element that contain equal numbers of protons but different numbers of neutrons in their nuclei to form isotopes.

so since they all have the same shape? i mean maybe because m& m and reeses are both chocolates

12 is it do you think so