What are the four stages of a mass spectrometer? what type of irons does a mass spectrometer use?

Which most directly contributed to napoleon‘s rise to power in france a. he was a brilliant military general. b. he was a skillful politician. c. he had the king assassinated. d. he inherited the throne from his father

Which of the following is a good way to avoid aggression on the road ? a.gripping the steering wheel tightly b.taking some deep breaths c.turning up the temperature

Which of the following were lyndon johnson's goals as president?