Spectra of the Martian surface taken from orbiting spacecraft ...

[B]

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

[Andromeda18]

Answer to Question 1

A

Answer to Question 2

C

[B]

Gracias!

[mcarey591]

Great answer, keep it coming