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

Author Question: Observations of galaxies and clusters of galaxies indicate that about ___________ percent of the ... (Read 92 times)

haleyc112

  • Hero Member
  • *****
  • Posts: 600
on: Jul 27, 2018
Observations of galaxies and clusters of galaxies indicate that about ___________ percent of the matter in the universe is dark matter.
 
  a. 5
  b. 25
  c. 35
  d. 45
  e. 90

Question 2

The CNO cycle requires higher temperatures than those needed in the proton-proton fusion chain.
 
  a. True
  b. False
  Indicate whether the statement is true or false


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

helenmarkerine

  • Sr. Member
  • ****
  • Posts: 324
Reply #1 on: Jul 27, 2018
Answer to Question 1

e

Answer to Question 2

True


haleyc112

  • Hero Member
  • *****
  • Posts: 600
Reply #2 on: Jul 27, 2018
Thank you!


helenmarkerine

  • Sr. Member
  • ****
  • Posts: 324
Reply #3 on: Jul 27, 2018
Always glad to help...


« previous next »
 

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

For pediatric patients, intravenous fluids are the most commonly cited products involved in medication errors that are reported to the USP.

Did you know?

The average older adult in the United States takes five prescription drugs per day. Half of these drugs contain a sedative. Alcohol should therefore be avoided by most senior citizens because of the dangerous interactions between alcohol and sedatives.

Did you know?

About 3.2 billion people, nearly half the world population, are at risk for malaria. In 2015, there are about 214 million malaria cases and an estimated 438,000 malaria deaths.

Did you know?

The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.

Spiral Galaxies (Nearly Face-on Views) Spiral Galaxies (Nearly Face-on Views)
Spiral Galaxies Seen Nearly Edge On from the Milky Way Spiral Galaxies Seen Nearly Edge On from the Milky Way
Galaxies Forming by Combining Smaller Units Galaxies Forming by Combining Smaller Units
Clusters and Zones in the Olfactory Bulb Clusters and Zones in the Olfactory Bulb
Identical twins share 100 percent of their segregating genes. Identical twins share 100 percent of their segregating genes.
Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ... Daniel's Enterprises has a beta of 1.98 and a growth rate of 12 percent. The stock is ...
Video: Summation - defined, spatial, temporal & AP generation or not

For a complete list of videos, visit our video library