Author Question: Spectra of the Martian surface taken from orbiting spacecraft have detected the presence of which of ... (Read 89 times)

B · **on:** Jul 27, 2018

Spectra of the Martian surface taken from orbiting spacecraft have detected the presence of which of the following minerals that form in water?

A) hydrated clays, sulfates and silicates
B) limestones
C) zircons
D) sea and rock salts

Question 2

A scientist tries to determine why a particular car is getting a much lower gas mileage than claimed by the manufacturer by systematically designing experiments to test possible causes for the problem. This is an example of

A) discovery science
B) nonscience
C) hypothesis-driven science
D) pseudoscience