Chage identity of a substance
If proven to be true, a hypothesis can become a theory, a theorem, or a law. Since her hypothesis is proven to be true, it is no longer a hypothesis.
Osmosis is 98% water and 2% salt inside the cell.
They must preform photosynthesis so they can acquire energy and nutrition.
I belive its C
Explatatiom burning something is chemical and melting something is physical.
