How did the hydrocarbons found in petroleum products such as gasoline get their energy? (A) from the decay of non-living substances (B) from fossilized molecules built up in previously existing living organisms ( c). from kinetic energy

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