True (i had to add this because my answer was too short sorry)
I believe marijuana is the most common illegal drug found in the United States.
Bacteria, viruses, and fungi
It usually take half lives
The volume percentage of solutions would indicate the relative abundance of a substance in a solution in terms of volume. This expression would be typically used for mixtures such as alcohol-water systems. This can be quantified by acquiring the ratio of the volumes of the substance of interest and the volume of the solution.
