Answer: when scientists just found out that cells made every living thing, they wanted to concentrate on the many types and variation of a cell. They did this by isolating the cell in a petri dish, and it is still used today.
The potential energy is 0 because there is no distance form the floor to the ball
Answer:
An organism with an xx karyotype would have a chromosome phenotype
Solid Liquid gas and plasma
Explanation:
These are characteristics of matter