The pig embryo or fetus are both developmental stages in a pig's life cycle from conception and leading up to birth. The embryo and the fetus should be found in the uterus lining of the female pig, as this is where conception would occur and where the fetus will develop until it is ready to be born.
Answer:
D
Explanation:
Because every system in the body is vital
Answer:
tire and balloons
Explanation:
the tire of an car contains gas pressure
the balloon also contains gas pressure because it contains gas molecules
