The chemical that neutralizes the acidic chyme so that the lining of the small intestine is not eroded is

The answer is bicarbonate. The bicarbonate ion carries a negative one formal charge and is the conjugate base of carbonic acid, H2CO3. The carbonate radical is an elusive and strong one-electron oxidant. Bicarbonate in equilibrium with carbon dioxide constitutes the main physiological buffer.

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the electromagnetic energy from the sun arrives in the form of visible and invisible light.