A) Kilograms per cubic meter. Every other option either contains pounds or feet, which are both units of measurement from the standard system, not the metric system.
Answer: The word is abstract.
Explanation:
Continuing in an existing state. Resistance to change.
For number one the answer is Iodine because it is in the same group as fluorine. For number two the answer is Germanium for the same reason. For number three the answer is Aluminum for the same reason.
Check the attached file for the solution for this problem.
