For which of the following can the composition vary? A) pure ...

[tingc95]

For which of the following can the composition vary?
 
  A) pure substance
  B) element
  C) both homogeneous and heterogeneous mixtures
  D) homogeneous mixture
  E) heterogeneous mixture

Question 2

Identify which one was NOT a malfunction at a nuclear power plant.
 
  A) A tornado tore a roof of the cooling plant resulting in a release of radioactive gas.
  B) A partial meltdown of the core occurred.
  C) A fire resulted in the release of radioactivity into the surrounding area.
  D) An earthquake caused a tsunami, and flooded the nuclear plant. The cooling system failed, a partial core meltdown occurred, and radioactive material was released.

[randomguy133]

Answer to Question 1

C

Answer to Question 2

A

[tingc95]

TYSM

[ashely1112]

Excellent