I believe you are talking about Stem Cells.
4.75 billion years ago, a large star near what is now the Solar System went supernova, sending heavy element debris outward into the galaxy. Some of the debris, after traveling long distances through space, collided with a Hydrogen cloud.
Answer:
Jumping out of a way of a car
Explanation:
This helps you live
Answer: the correct answer is E. Snakes, a major predator of young prairie voles, are active only from spring through early autumn.
Explanation:
Mortality among young voles from spring to early fall is high because snakes are active during this time.
