This topic contains a solution. Click here to go to the answer

Author Question: After nuclear reactions in the big bang had ended, about 25 of the mass of the Universe was in the ... (Read 16 times)

danielfitts88

  • Hero Member
  • *****
  • Posts: 535
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
Answer to Question 1

True

Answer to Question 2

False




danielfitts88

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


elyse44

  • Member
  • Posts: 319
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Stevens-Johnson syndrome and Toxic Epidermal Necrolysis syndrome are life-threatening reactions that can result in death. Complications include permanent blindness, dry-eye syndrome, lung damage, photophobia, asthma, chronic obstructive pulmonary disease, permanent loss of nail beds, scarring of mucous membranes, arthritis, and chronic fatigue syndrome. Many patients' pores scar shut, causing them to retain heat.

Did you know?

Despite claims by manufacturers, the supplement known as Ginkgo biloba was shown in a study of more than 3,000 participants to be ineffective in reducing development of dementia and Alzheimer’s disease in older people.

Did you know?

People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.

Did you know?

The liver is the only organ that has the ability to regenerate itself after certain types of damage. As much as 25% of the liver can be removed, and it will still regenerate back to its original shape and size. However, the liver cannot regenerate after severe damage caused by alcohol.

Did you know?

There used to be a metric calendar, as well as metric clocks. The metric calendar, or "French Republican Calendar" divided the year into 12 months, but each month was divided into three 10-day weeks. Each day had 10 decimal hours. Each hour had 100 decimal minutes. Due to lack of popularity, the metric clocks and calendars were ended in 1795, three years after they had been first marketed.

For a complete list of videos, visit our video library