The variable is the group that was given caffine, because thats what the doctors manipulated. They possibly altered the natural memory of the participants by giving them caffine. A more specific variable could be how much caffine each participant is given and what time are they given it.
Answer:
listen to several styles of music and pay attention to his body’s response to each
Explanation:
Answer:
The other four countries with multiple megacities are the United States, Brazil, Pakistan, and Japan. ... and France, and megacities can be found in Latin America in the countries of Brazil, Mexico,
Explanation:
it is actualy a phenomonon and an example is when your driving down the road and compleatly miss it. you dnt see it and dont bother going back.
