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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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How many moon does the earth has?
How long the year on the Earth?
What is the earth's core made of?
Sponges are made of what kind substances?
What do we Mean by gene?
How many cells are in the human body?
sodium chloride, mucus, a lot of antibodies and plenty of lysozyme
What does Z mean in chemistry?
What happens when an Alkali is dissolved in water?
Energy needed to break An atom’s nucleus
Water change from liquid to gas
Stationery charges on an object
If you extract the nuclei of a skyscraper , what big will it be?
What the equation for resistance of a wire?