6 O2 + C6H12O6 → 6 CO2 + 6 H2O
Explain the process

Which mantle is under the crust the upper mantle or the lower mantle i think it's upper let me know if i'm right

Building glycogen from glucose molecules is an example of what

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