One-
The 6 is the only significant figure.
Answer:
The cells mutated.
Explanation:
Lysosomes is the cell that digest the unwanted materials in the cytoplasm.
The proper way to chemically write carbon dioxide is CO2
Sugar burns and turns black. A completely new substance was formed, which is the main pointer for it being a chemical reaction. More evidence would be change of color, odor, and the fact that flammability is a chemical property so setting something on fire would be a chemical change.