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
Answer:
holding a basketball in the air
Explanation:
the ball has potential to have a certain amount of energy but hasn't exerted it yet.
Communication skills were developed so knowledge could be passed along to younger generations.
<h3>How knowledge will pass through generations?</h3>
Knowledge will pass from one generation to another with the help of education. The skill people give education to their youngers about fire and tools. In this way, skills of fire and tools pass from one generation to another.
So we can conclude that communication skills were developed so knowledge could be passed along to younger generations.
Learn more about knowledge here: brainly.com/question/24621985
#SPJ1
