Iron. Iron is not a cancer causing substance while arsenic, nickel and polonium are.
I got :9x2+12y2-3x
I hope this helps!
The differences between male and female sexes are anatomical and physiological. "Sex" tends to relate to biological differences. For instance, male and female genitalia, both internal and external are different. ... However, women have higher levels of estrogen and progesterone, and men have higher levels of testosterone.
D, three to five times a week.
