The american council for an energy efficient economy works to a. ban the use of products that are not energy efficient b. fine companies that do not operate at peak energy efficiency c. invest in clean energy technologies that will strengthen the economy d. eliminate the use of energy obtained from the burning of coal within ten years select the best answer from the choices provided 70 !

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