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Author Question: _____ is the energy believed to fill empty spaces and drive the acceleration of the expanding ... (Read 16 times)

Deast7027

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on: Jul 27, 2018
_____ is the energy believed to fill empty spaces and drive the acceleration of the expanding Universe.
 
  A) Kinetic energy
  B) Hot energy
  C) Dark energy
  D) Light energy

Question 2

If photons have enough energy, two photons can combine and convert their energy into a pair of particles-_____.
 
  A) a particle of normal matter and a particle of antimatter
  B) a particle of high-density matter and a particle of low-density matter
  C) a particle of high mass and a particle of low mass
  D) a particle of proton and a particle of neutron


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chjcharjto14

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Reply #1 on: Jul 27, 2018
Answer to Question 1

C

Answer to Question 2

A


Deast7027

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Reply 2 on: Jul 27, 2018
Gracias!

juliaf

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Reply 3 on: Yesterday
Excellent

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