16. Which of the following was an economic spinoff of the success of automobiles? O A. Coal industry
O B. Motels
O C. Railroads
O D. Clothing stores

Select the correct answer. in what type of immunity will the defenses be triggered and react in the same manner, regardless of the organism invading? a. adaptive b. innate c. primary d. mechanical barrier

Which of the following world and national events led to a new view of people with disabilities in the us:     a.  world war i and ii veterans with disabilities returned home after the wars.b.  john f. kennedy was elected president and had a sister with a disability.c.  the civil rights and feminist movements.d.  all of the above.

How were the economies of the inca empire and ancient river valley civilizations such as egypt and phoenicia different?