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During these times, good information is your most valuable tool. Bookmark this website and come back frequently to check on the latest developments in the law that may affect you and how to plan for the optimal resolution of your questions.
A dependent variable is something you control, so probably drugs (as the researcher will ensure that they stay drug free)
Answer:
Sumerian cuneiform is the earliest known writing system. Its origins can be traced back to about 8,000 BC and it developed from the pictographs and other symbols used to represent trade goods and livestock on clay tablets. Originally the Sumerians made small tokens out of clay to represent the items.
True, while technology such as phones has made nearly instantaneous communication possible we now have to deal with phone and computer addiction.