Answer:
c
Explanation:
etc uses oxygen
photosynthesis uses carbon dioxide
The prenatal circulation of blood is different than the postnatal circulation, mainly because the lungs are not in use. The fetus obtains oxygen and nutrients from the mother through the placenta and the umbilical cord. Blood from the placenta is carried to the fetus by the umbilical vein.
Answer:
i think it's the S phase
Explanation:
During the S phase, DNA replication occurs.
Answer:
C. examine DNA
Explanation:
Bone structures can be very different sizes Not A
Humans have different hair color and that doesn't make a red hair person not human Not B
people can be different weights and that doesn't make them not human Not D
