undergraduate student gabrielle is writing a research paper on the physiological effects of commonly used drugs, such as caffeine. as her well-informed friend, you tell gabrielle that caffeine is known to

In studying caffeine, this is known to be and has been researched to be a block adenosine induce inhibition in terms of the human’s brain.  With this, this could produce negative effects to a person that could lead to certain complications.

changes in factors like average income and preferences can cause an entire demand curve to shift right or left. this causes a higher or lower quantity to be demanded at a given price. demand curves relate the prices and quantities demanded assuming no other factors change. it is important for consumers to know this information, because it is crucial for them to know what they can afford and can't afford. i hope this .