An example is when on a seesaw if a kid is on one side and an adult is on the other then it is unbalanced because the adult weighs more
Answer:
Roman numbers are oxidation state of the metals
Because some elements of metals show more than one oxidation state like iron Fe2+ in ferrous and Fe3+ in ferric.
Explanation:
I believe the answer is C. (must be touching the object)
Someone please correct me if I am wrong.
