Dr. xong, a developmental researcher, is interested in studying the influence of video games on the moral development of children. if dr. xong wants to control the type of game the children are exposed to and how long the children play the game, he should use:

What federal law makes marijuana illegal i know it's a schedule 1 drug but what law specifically gives the federal government the ability to arrest or fine you over marijuana i have only been able to find info on the scheduling of the drug but it never says this or that is illegal it just says that it's a schedule 1 drug i need the wording exactly my english teacher says that if i don't have it my paper is null and void