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Explanation:
The future depends on what you do today.” – Mahatma Gandhi3
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I had......................
They are called compound sentences.When 2 sentences are connected.
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H2 is Molecular hydrogen. It is a molecule of hydrogen that consists of two hydrogen atoms bonded together by one single bond (also known as a sigma bond). A subscript also denotes how many of a particular atom is in a molecule, thus H2 has two hydrogens. 2H, on the other hand, denotes two moles of elemental hydrogen.