This topic contains a solution. Click here to go to the answer

Author Question: The observed distribution of matter in the Universe is best understood as being caused by ____. ... (Read 16 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
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



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Chou

  • Sr. Member
  • ****
  • Posts: 335
Answer to Question 1

a

Answer to Question 2

c




rlane42

  • Member
  • Posts: 594
Reply 2 on: Jul 27, 2018
Excellent


Hdosisshsbshs

  • Member
  • Posts: 315
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

 

Did you know?

An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.

Did you know?

As many as 28% of hospitalized patients requiring mechanical ventilators to help them breathe (for more than 48 hours) will develop ventilator-associated pneumonia. Current therapy involves intravenous antibiotics, but new antibiotics that can be inhaled (and more directly treat the infection) are being developed.

Did you know?

There are actually 60 minerals, 16 vitamins, 12 essential amino acids, and three essential fatty acids that your body needs every day.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

For a complete list of videos, visit our video library