The observed distribution of matter in the Universe is best ...

[rlane42]

The observed distribution of matter in the Universe is best understood as being caused by ____.
 
  a. clumping of dark matter in the early Universe causing clumping of normal matter
  b. clumping of normal matter in the early Universe causing clumping of dark matter
  c. simultaneous clumping of normal and dark matter
 d. large variations in the intensity of the cosmic microwave background
 e. homogenous expansion of normal and dark matter

Question 2

During the first reaction of the proton-proton chain of nuclear fusion, a weak force causes one of the protons to transform into a neutron and emit ____.
 
  a. a deuterium and an electron
  b. a positron and a deuterium
  c. a positron and a neutrino
 d. a neutrino and a deuterium
  e. a neutrino and an electron

[Chou]

Answer to Question 1

a

Answer to Question 2

c

[rlane42]

Gracias!

[bassamabas]

YES! Correct, THANKS for helping me on my review