Which statement describing the properties of the different phases of a
sample of matter is true?

What is common about these molecules? a. their atoms are held together by covalent bonds. b. they are all made up of the same two atoms. c. their atoms are held together by ionic bonds. d. they are all made up of oxygen atoms only.

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder

The movement of tectonic plates and in two locations is described below: location a: tectonic played push together location b: tectonic plates push apart