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Osama Elsayed Mohamed

Osama Elsayed Mohamed. How many moon does the earth has?. Only one. How long the year on the Earth?. 365.25 days. What is the earth's core made of?. Iron and nickel. What is shale?. Sedimentary rock. How old is the Earth?. About 4.6 billions years. Sponges are made of

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Osama Elsayed Mohamed

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