Question 5 of 25 The development of cars has pros and cons. The car has allowed for better transportation, but it is also responsible for a great deal of pollution. Which activity can help reduce pollution through the use of new technology?

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