Answer:
c
Explanation:
it makes sense and the diagram is build like that with high tech
Long wave I think is the correct answer
Answer:
Fossil record
Explanation:
but first think about it befor you do so it could be wrong im not a computer
The electron gain for iron means that it is reduced (answer C)
Explanation
Redox reaction is made up of two halves.
That is a reduction half and a oxidization half.
In the reduction half electrons are gained which result to decrease in oxidation number.
In the Oxidization half electrons are lost which result to increase in oxidation number.
iron is therefore reduced since it gains electrons
The answer you are looking for is compression.