This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: The observed distribution of matter in the Universe is best understood as being caused by ____. ... (Read 43 times)

rlane42

  • Hero Member
  • *****
  • Posts: 594
on: Jul 27, 2018
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
Reply #1 on: Jul 27, 2018
Answer to Question 1

a

Answer to Question 2

c


rlane42

  • Member
  • Posts: 594
Reply 2 on: Jul 27, 2018
Great answer, keep it coming :)

bitingbit

  • Member
  • Posts: 323
Reply 3 on: Yesterday
YES! Correct, THANKS for helping me on my review

« previous next »
 

Did you know?

The first successful kidney transplant was performed in 1954 and occurred in Boston. A kidney from an identical twin was transplanted into his dying brother's body and was not rejected because it did not appear foreign to his body.

Did you know?

Autoimmune diseases occur when the immune system destroys its own healthy tissues. When this occurs, white blood cells cannot distinguish between pathogens and normal cells.

Did you know?

HIV testing reach is still limited. An estimated 40% of people with HIV (more than 14 million) remain undiagnosed and do not know their infection status.

Did you know?

There are more nerve cells in one human brain than there are stars in the Milky Way.

Did you know?

Oxytocin is recommended only for pregnancies that have a medical reason for inducing labor (such as eclampsia) and is not recommended for elective procedures or for making the birthing process more convenient.

An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution An illustration of the helium atom, depicting the nucleus (pink) and the electron cloud distribution
Three factors that influence the distribution of Na+ and K+ ions across the neural membrane. Three factors that influence the distribution of Na+ and K+ ions across the neural membrane.
Distribution and Forms of Precipitation: Freezing Rain Distribution and Forms of Precipitation: Freezing Rain
Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont Frequency diagrams of skin colors. (a) Skin color distribution in the parents falls into two discont
Video: Tuberculosis Testing

For a complete list of videos, visit our video library