Which of the following is associated with the endocrine system? A. serotonin
B. hypothalamus
C. dopamine
D. epinephrine

Firms use marginal analysis to determine prices by a) changing prices in accordance with information from retailers. b) using comparisons with strong competitors to position prices accordingly. c) examining the effect on revenue of small changes to the price of one item. d) trying to minimize production costs by using better and more efficient methods.

When you are driving slowly in the freeway fast lane, blocking traffic which wishes to pass you should

Identify one way in which the changes during the industrial revolution can be considered a political turning point in world history