Each planet has a different level of gravity (best answer) but mass can be effected by different things as well
An atom is most stable when its outermost shell is full with electrons.
Since it a metalloid it has metal and nonmetal properties while the rest of the group are all metals.
The answer to the first question is D. Turner syndrome
The answer to the second question is D. complex disease.
The answer to the third question is D. cancer
The answer to the fourth question is A. Research shows that there are more cases of type 1 diabetes than type 2.