A star cluster of age 100 million years contains no type O stars. ...

[sjones]

A star cluster of age 100 million years contains no type O stars.
 
  Indicate whether the statement is true or false

Question 2

Recently discovered organisms that create their energy through chemical reactions (chemosynthesis instead of photosynthesis) and live in environments previously thought too alkaline, hot, cold, dark, saline, etc. to sustain life.
 
  These organisms are collectively called: A) viruses.
  B) huge crabs.
  C) extremophiles.
  D) hydrothermal vents.
  E) giant red tube worms.

[cici]

Answer to Question 1

TRUE

Answer to Question 2

C