That is all up to ones opinion no one really knows because no one that is living now was alive then all we can go by is secondary sources to let us know
If pressure less so volume increases and if temperature increase so volume also increases
All modern primates, including humans, are descendants of the earliest primates.
Answer:During pregnancy, red blood cells from the unborn baby can cross into the mother's blood through the placenta. If the mother is Rh-negative, her immune system treats Rh-positive fetal cells as if they were a foreign substance. The mother's body makes antibodies against the fetal blood cells
Explanation: