The chemistry shorthand for water is H₂O .
Right there, it's telling you that a molecule of water is the combination of two Hydrogen atoms bound to one Oxygen atom.
The cells are different between the different layers of a bone because each layer protects something different than the rest.
Answer: Precipitation -> evaporation -> condensation
Explanation: precipitation is when it rains, so water is delivered by the atmosphere into the ocean. Evaporation happens when water in the ocean is heated up and returned to the atmosphere. Condensation occurs when water condenses due to pressure/temp differences creating clouds.
These stem cells come from<span> embryos that are three to five days old.
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