Why can blue light and yellow light combine to produce white light? a. they are complementary colors of light. b. because blue, yellow, and white are primary colors. c. they absorb each other’s wavelengths. d. they are both primary colors of light. reset selection

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