What historical event in medieval history led to european interest in trade with the middle east?
a. the european crusades
b. the italian renaissance
c. the birth of the prophet mohammad
d. the birth of jesus in bethlehem

Which of the following is a way that advancements in technology improve humans' ability to measure air quality and protect human health?

There is only one climate type in motion across the world at a time

Which of the following best describes brazil's economy from 1650-1880? a. it gradually shifted to manufacturing as the industrial revolution progressed. b. it was based on mining. c. it was based on plantation agriculture, where slaves served as a labor force. d. it was based on small, family-owned farms.