Identify the scientist who discovered anesthetic, which allows people to withstand pain and be unconscious during surgery.
a. crawford w. long
b. sigmund freud
c. ivan pavlov
d. louis pasteur

Identify the statements that best describe the ancient hebrews. they followed a messiah who gave them commandments to live by. they were cattle herders. they were polytheistic until they converted to a monotheistic religion. they had many fights with the canaanites, so they became strong warriors. they were led by a prophet who spoke to god and was told to return to canaan. they offered prayers to idols.