Tantalum.................
Lean women with a BMI less than 20 have an increased risks of preterm delivery, and deliver- ing a low-birth weight infant. The correct option among all the options that are given in the question is the first option or option "a". Similarly it is not good to gain excess weight while in the pregnancy stage, as the baby might grow at a larger proportion that required.
C It controls what is allowed to enter or leave the cell.
These include the chemical. cellular. tissue organ. organ system and the organism level
