Answer:
b is the answer .
Explanation:
you just have to find the mean .. (average) so add all the numbers including one of the answer choices then divide by 4. and continue doing that with every answer choice till you get the answer.
Global Burden of Disease Study
Since valence shells in nonmetal atoms are almost full the atoms would then attract electrons and hold them tightly to fill their valence shells. hope this is helpful!
