Basically ionic bonds can be formed between a metal atom and something called a radical ion. The radical ion could have covalent bonds within themselves, for example, CO3- is a radical ion.
Humans ferment ___carbon dioxide___ in muscles where oxygen becomes depleted
<span>radioactive zone & convection zone i think
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Ethanol
when yeast ferments glucose anaerobically it produces ethanol which is used in drink and can be an alternative fuel source in Brasil it used a lot their engines are adapted to use ethanol as a fuel source
hope that helps <span />