A dependent variable is something you control, so probably drugs (as the researcher will ensure that they stay drug free)
There is a gender pay gap in the US in that men typically earn more than women, and this includes for the same jobs and in the same position.
There is also a skin-colour discrimination in that people of color typically earn less than white people. So the people with the biggest income would most typically be white men!
Scientists now use cross fertilization.
The United states and Great bRITIAN
<span>In the early 1900s, progressives succeeded in strengthening federal control over the money supply by United States Constitution. It's a way to strengthen the way on how the banks in the state will manipulate their financial status. The answer to the question is United States Constitution.</span>