Which of the following explains how polar molecules form? o a. electrons are more attracted to one of the atoms involved in a bond b. the two atoms in a bond share electrons equally o c. protons are more attracted to one of the atoms involved in a bond. o d. one atom transfers its electrons to another atom.

Once an egg cell is fertilized by sperm, the cell then, as the embryo develops, it receives nourishment and eliminates wastes by transferring substances from its blood to its mother's blood. a. becomes a fetus immediately and exits the womb b. begins to divide and implants itself in the wall of the uterus c. remains in the uterus without dividing for several months d. travels back to the ovaries until the fetus is developed