Where is dark matter found in the periodic table? A) within ...

[cherise1989]

Where is dark matter found in the periodic table?
 
  A) within the noble gas elements
  B) the transition metals
  C) all radioactive elements
  D) no where at all

Question 2

Evidence for dark matter is exhibited by the
 
  A) relatively similar speeds at which all stars in a galaxy orbit the galactic nucleus.
  B) speed at which galaxies orbit one another within clusters.
  C) degree to which galaxy clusters exhibit gravitational lensing effects.
  D) All of the above

[patma1981]

Answer to Question 1

Answer: D

Answer to Question 2

Answer: D