Glucose is used as an energy source for polar bears and orange trees.
Answer:The same amount of matter exists before and after the change—none is created or destroyed. This concept is called the Law of Conservation of Mass. In a physical change, a substance's physical properties may change, but its chemical makeup does not.
Explanation:
Plants give off oxygen (that we breathe)and breathe in our carbon dioxide that we exhale
Answer:
Rudolf Virchow
Explanation:
He is the name of the scientist that proved all cells come from other cells.
Answer: Table salt
Explanation:Salt is an ionic compound, consisting of a crystal, lattice structure of the two ions Na+ and Cl-. Salt water is full of sodium chloride molecules.