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 17 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
Excellent

miss_1456@hotmail.com

  • Member
  • Posts: 289
Reply 3 on: Yesterday
Wow, this really help

« previous next »
 

Did you know?

Signs of depression include feeling sad most of the time for 2 weeks or longer; loss of interest in things normally enjoyed; lack of energy; sleep and appetite disturbances; weight changes; feelings of hopelessness, helplessness, or worthlessness; an inability to make decisions; and thoughts of death and suicide.

Did you know?

The human body produces and destroys 15 million blood cells every second.

Did you know?

Cutaneous mucormycosis is a rare fungal infection that has been fatal in at least 29% of cases, and in as many as 83% of cases, depending on the patient's health prior to infection. It has occurred often after natural disasters such as tornados, and early treatment is essential.

Did you know?

Asthma occurs in one in 11 children and in one in 12 adults. African Americans and Latinos have a higher risk for developing asthma than other groups.

Did you know?

Asthma attacks and symptoms usually get started by specific triggers (such as viruses, allergies, gases, and air particles). You should talk to your doctor about these triggers and find ways to avoid or get rid of them.

Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2 Aurora australis observed from the Space Shuttle Discovery, on STS-39, May 1991 (orbital altitude: 2
Mapping Dark Matter Mapping Dark Matter
Phylogenetic tree based on the distribution of 120 alleles in 42 populations from around the world, Phylogenetic tree based on the distribution of 120 alleles in 42 populations from around the world,
The explosion of the Maine in Havana harbor, killing 260 men, caused much speculation in the newspap The explosion of the Maine in Havana harbor, killing 260 men, caused much speculation in the newspap
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.
Video: Transmission Across a Synapse

For a complete list of videos, visit our video library