Cell theory states that all the living organisms are made up of basic structural and functional units, cells. All cells divide and give rise to new cells. All the cells have similar chemical composition. The nuclei acid DNA present in the chromosomes helps in carrying hereditary information from generation to generation. So, in order to sustain life the cells must contain DNA either enclosed in the nucleus or freely floating in the cytoplasm.
Answer:
B. is often done in nature preserves
Explanation:
edge 2021
Vertical rows are called GROUPS on periodic table.....
The molecules in gas are farther apart and have more room to bounce around than liquid.Gas molecules expand until they are spread out through out the space they are given while liquids take the shape of their container.