If both of them were travelling anti parallel to each other. (parallel but in opposite directions)
The abnormal condition in which a placenta separates from the uterine wall before the birth of the fetus is known as:
Placental abruption
I hope this helps! I'm happy to answer any other questions you might have :)
I think either rapid of human population growth or global warming
<span>C. nitrogen and hydrogen shoould be your answer
</span>
