Which of the following is an example of something best described as having kinetic energy?
A) a ball falling through the air
B) a boulder at the bottom of a cliff
C) a dart stuck into a dart board
D) a candy bar with 230 kilocalories
E) a log of wood in a fireplace that has not been lit
Question 2
Seeds of the morning glory plant contain the natural product lysergic acid, and yet they are only marginally hallucinogenic. Why?
A) Naturally occurring chemicals are generally not as hallucinogenic as human-made chemicals.
B) This lysergic acid is bound to tannins, which counteract the lysergic acid's natural hallucinogenicity.
C) Lysergic acid is not lysergic acid diethylamide (LSD) and each has its own unique physical, chemical, and even biological properties.
D) all of the above
