A. 17. The development of this helped to provide quicker, more accurate medical test results and
led to improved diagnostic processes.
Vaccines
b. Microscopes
c. Pharmacology
d. Chemotherapy

Which of the following best describes a historical interpretation? o a. an unfair prejudice held by earlier cultures b. a source created in the ancient past o c. a conflict between ancient civilizations o d. an explanation for why a past event happened

How did the northern u.s. change during the 19th century? select the best choice from the answers provided. a. it became more industrial. b. it became more agrarian. c. it became less populated. d. it became less diverse

How was the government that was created at the constitutional convention similar to the one proposed in the virginia plan?