Nobles gases, since they all have 8 e- on their last layer of electrons.
I think your answer is D. However I’m not 100% sure.
The answer is C since both charge and mass have to be balanced on both sides of the equation.
if 105 grams burns completely
therefore
105 ×22.4/48=49
Answer: These results show that the body regulates its salt and water balance not only by releasing excess sodium in urine, but by actively retaining or releasing water in urine.
Explanation: