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<span>A covalent bond is a bond formed by atom sharing.
In water molecule, there are twice the number of hydrogen atoms than the oxygen atoms. Its structure is H-O-H. The electronegative difference between the H and O allows them to be polar because on side there is positive charge and on another side there is negative charge.</span>
Yes they do if that was your question
Nope. It is false. Temperature decreases as altitude increases.
I calculated is and the answer is 1272.0600000000002.
I really don't know how to explain it
