1. A cell must duplicate its DNA so the daughter cell with have the same about of identical DNA
2. Mitosis
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<span>Golgi apparatus
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Answer:
The earth has different layers because as it formed, the lighter parts (like continental crust) floated to the surface, and the really heavy parts (like iron and nickel in the core) sank to the middle. It is just like when you mix oil and water: the oil will float to the surface because it is lighter (or less dense) than the water.
Radioactive isotopes got scattered in the experiment which contained radion, however, the bacteria didn't have a high amount of radiation. You even eat radiation every day. For Example, a banana has approximately 1/1,000,000 sieverts. in order for that radiation to kill you, you would need the radiation of 2 sieverts, or 2 trillion bananas.
