One way in which the ancient Sumerians, Egyptians, and Mayas are similar is that these civilizations developed irrigation systems.
False, everything needs to be managed
With the given scenario above, this will help researchers in
determining whether the individuals in the control group could experience
changes in which will be due to the drug agent used or either it is also
because of the expectations of the participants.
Explanation:
Mixed economy/modified private enterprise. Free enterprise system with some government involvement;same as modified private enterprise economy. Voluntary exchange
hope this helped :)