(Question)
Q: Alchemy helped improve the study of metallurgy and the extraction of metals from what? Choices: - air - water - wood - ores A:
(Answer)
ores

(Question)
Q: Velocity is a vector that has both direction and what? Choices: - variable - latitude - radiation - magnitude A:
(Answer)
magnitude

(Question)
Q: What gas is expired out of the body during exhalation? Choices: - carbon monoxide - hydrogen - oxygen - carbon dioxide A:
(Answer)
carbon dioxide