10. If you have ever noticed a sharp odor in the air after a thunderstorm you might be smelling ozone. Ozone can be formed from oxygen gas
when lightning passes through the air. Which statement is true about
ozone?

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