Well this is a bio question but it goes the tunica interna the tunica media then the tunica externa.
Answer:
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Explanation:
Answer:
he average atomic mass of an element is the sum of the masses of its isotopes, each multiplied by its natural abundance
The gallionella bacteria reaction
that is Fe2+ → Fe3+ is example of oxidation reaction (answer A)
Explanation
oxidation reaction reaction occurs when electrons are lost during reaction by a molecule or ion or atom. when oxidation occurs the oxidation state of the molecule or ion or atom increases. For this reason Fe2+ → Fe3+ is a oxidation reaction since the oxidation state move from oxidation state 2 to 3
