I know its 21 or 18 or 22
Answer:
Standard nuclear notation shows the chemical symbol, the mass number and the atomic number of the isotope. Example: the isotopes of carbon. The mass of an element that is numerically equal to the atomic mass A in grams is called a mole and will contain Avogadro's number NA of nuclei.
Explanation:
After 6 months. It might depend on how old the woman is who is trying to get pregant
C. Have desserts in small portions and increase activity level
Because your body does need sugar but not large amounts of sugar