Displacement is a vector quantity, which means that we need to specify a magnitude and direction. So, unlike distance, displacement cares what direction the object is going when it moves between two points. So, in one dimension, displacement can be positive, negative, or zero
Examples of primary reinforcers include: food, drink and pleasure.
Secondary reinforcers include grades. Have a good day
The answer would be D. All of the above
Answer:
C.)
Explanation:
C.) A coal mine is the only business employing workers in 20 miles in any direction.