To answer this question, you used weight to
change the blank * of the gas and measured the resulting changes to the gas’s blank *

the answer would be c

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

i believe the answer is 5,000