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

Author Question: After nuclear reactions in the big bang had ended, about 25 of the mass of the Universe was in the ... (Read 55 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
on: Jul 27, 2018
After nuclear reactions in the big bang had ended, about 25 of the mass of the Universe was in the form of helium nuclei.
 
  a. True
  b. False
  Indicate whether the statement is true or false

Question 2

Spicules can trigger communications blackouts and auroras on Earth.
 
  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

cloudre37

  • Sr. Member
  • ****
  • Posts: 332
Reply #1 on: Jul 27, 2018
Answer to Question 1

True

Answer to Question 2

False


danielfitts88

  • Member
  • Posts: 535
Reply 2 on: Jul 27, 2018
:D TYSM

softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Excellent

« previous next »
 

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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.

Did you know?

Glaucoma is a leading cause of blindness. As of yet, there is no cure. Everyone is at risk, and there may be no warning signs. It is six to eight times more common in African Americans than in whites. The best and most effective way to detect glaucoma is to receive a dilated eye examination.

Did you know?

Alcohol acts as a diuretic. Eight ounces of water is needed to metabolize just 1 ounce of alcohol.

Did you know?

Looking at the sun may not only cause headache and distort your vision temporarily, but it can also cause permanent eye damage. Any exposure to sunlight adds to the cumulative effects of ultraviolet (UV) radiation on your eyes. UV exposure has been linked to eye disorders such as macular degeneration, solar retinitis, and corneal dystrophies.

Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones Internal structures of main sequence stars, convection zones with arrowed cycles and radiative zones
Mass Loss by a Supermassive Star Mass Loss by a Supermassive Star
The biochemical reactions of near-infrared light The biochemical reactions of near-infrared light
Comparison of C-C bond cleavage in transketolase and transaldolase reactions Comparison of C-C bond cleavage in transketolase and transaldolase reactions
Metabolic reactions involving synthesis, interconversion, and utilization of one-carbon adducts of t Metabolic reactions involving synthesis, interconversion, and utilization of one-carbon adducts of t
What is the mass % of H2S04 in concentrated sulfuric acid? What is the mass % of H2S04 in concentrated sulfuric acid?
Video: DNA Replication Factory and Protein

For a complete list of videos, visit our video library