As more and more energy is added to the atoms of a solid plastic, the plastic will first change into a. a harder solid. b. a thick liquid. c. a free-moving gas. d. a volatile plasma

The correct answer is:
thick liquid 
hope this helps

A thick liquid.. will be the first phase conversion

“when two plates carrying continents collide, the continental crust buckles and rocks pile up, creating towering mountain ranges. when an ocean plate collides with another ocean plate or with a plate carrying continents, one plate will bend and slide under the other. this process is called subduction. “ i found this on google i hope it

Texture and composition are different because they are not the same aspect. texture has to do with feel and so on, where as composition is the chemical makeup which you cant touch like you can texture.