Forensic analyst use many devices to analyze unknown materials that are found at crime scenes. Which of the following devices uses an electron beam to ionize the elements in a compound, break the compound apart, and measure the mass to charge ratio? a. inductively couple plasma omission spectrometer

b. atomic absorption spectrophotometer

c. gas chromatograph

d. mass spectrometer

Select the correct answer. which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. c. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated. d. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.