Process that destroys all microorganisms including spores and viruses. what do you call this process

Explain why the plants cortex would serve as the best food source for animals

Which type of landform forms at the plate boundary as a result of divergent stress

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