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 99 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?

Stroke kills people from all ethnic backgrounds, but the people at highest risk for fatal strokes are: black men, black women, Asian men, white men, and white women.

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Addicts to opiates often avoid treatment because they are afraid of withdrawal. Though unpleasant, with proper management, withdrawal is rarely fatal and passes relatively quickly.

Did you know?

Medications that are definitely not safe to take when breastfeeding include radioactive drugs, antimetabolites, some cancer (chemotherapy) agents, bromocriptine, ergotamine, methotrexate, and cyclosporine.

Elliptical Galaxies Elliptical Galaxies
Irregular Galaxies Irregular Galaxies
Merging Galaxies Merging Galaxies
Approximately 40 percent of farmers in the United States are 55 years old or older Approximately 40 percent of farmers in the United States are 55 years old or older
At what pH is the amino acid glycine with a Ka of 2.51 × 10-10 sixty-six (66%) percent ... At what pH is the amino acid glycine with a Ka of 2.51 × 10-10 sixty-six (66%) percent ...
Mendel’s Observations for Seven Monohybrid Traits in the F1 and F2 Generations Mendel’s Observations for Seven Monohybrid Traits in the F1 and F2 Generations
Video: The Hypothalamus: The Body's Thermostat (Human Thermostat)

For a complete list of videos, visit our video library