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I don't know what you want to know about this question can you make it a bit more understandable.
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Explanation:
Measuring the amount of deu terium in the universe allows us to set a limit on the density of ordinary matter of universe. Density of the universe is about 9×10-27 kg m-3, because of the way in which deu terium was created in the Big B ang, an exact measurement of the amount of deuterium would allow scientists to set limits on the models of the great explosion.
Answer:They are both necessary for organisms to survive
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Bc they buyed land and ended up being close or together i guess idrk
The two Egyptian kingdoms, Upper and Lower Egypt, arose because theland near the First Cataract and the Nile Delta, respectively, wassuitable for agriculture. They united around 3000