Involved transfer of heat by the physical movement of the material

Why is it important to study each branch of earth science?

When a doggo starts to pace around in the same line for a hand full of days. what would that mean?

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