CFCs were primarily used in ________. A) automobiles B) ...

[student77]

CFCs were primarily used in ________.
 
  A) automobiles
  B) refrigeration
  C) factories
  D) aerosols
  E) power plants

Question 2

In what ways do metamorphic rocks differ from the igneous and sedimentary rocks from which they formed?
 
  What will be an ideal response?

[ErinKing]

Answer to Question 1

B

Answer to Question 2

Metamorphic rocks differ from their parent rocks in crystal shape, crystal size, mineral composition, and sometimes a foliated texture. For example, a phaneritic granite can become a foliated gneiss after metamorphism. A muddy limestone will become a coarse-crystalled marble after metamorphism.