The nucleus is an organelle found in eukaryotic cells. Inside its fully enclosed nuclear membrane, it contains the majority of the cell's genetic material. This material is organized as DNA molecules, along with a variety of proteins, to form chromosomes.
When they compare they can see the difference and similarities to get to the end result
The answer is.
propeller injury
The stem
they get sun water and air separated it and put it back together
Catalase.is an enzyme in the liver that breaks down harmful hydrogen peroxide into oxygen and water.