A map that uses a symbol to display frequency (the larger the symbol, the higher the frequency) is a Isoline

Choropleth

Proportional symbol

Dot density

Cartogram

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.

Describe one of your personality traits that you believe to be highly heritable and another trait that seems to be much less so. provide reasons for your answer, and explain why you would expect genetics to exert a greater impact on some personality traits than on others. 10. discuss at least 3 cultural/environmental factors that may influence behavior.

Receiving 24 points on your license within a 36-month period will cause your license to be suspended for a. 30 days b. three months c. six months d. one year