discovered the radioactive element radium.
a.
Albert Einstein
c.
Gregor Mendel
b.
Louis Pasteur
d.
Marie Sklodowska Curie

Which statement does not accurately describe the columbian exchange and its consequences? a. wheat became a major crop in north america where it had never existed before. b. millions of africans were kidnapped into slavery to provide labor for profitable crops. c. cattle, sheep, chickens, and pigs were brought to europe for the first time. d. spanish conquistadors brought diseases with them and native peoples begin dying.

Write an informative essay on the great chicago fire. your essay will use research to explain what caused the fire to burn out of control and to describe the fire's effects and aftermath.

Which of the following is an effect that constantine's conversion to christianity had on the roman empire?