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 69 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
Thanks for the timely response, appreciate it


pratush dev

  • Member
  • Posts: 321
Reply 3 on: Yesterday
:D TYSM

 

Did you know?

Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

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.

Did you know?

In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

Did you know?

Tobacco depletes the body of vitamins A, C, and E, which can result in any of the following: dry hair, dry skin, dry eyes, poor growth, night blindness, abscesses, insomnia, fatigue, reproductive system problems, sinusitis, pneumonia, frequent respiratory problems, skin disorders, weight loss, rickets, osteomalacia, nervousness, muscle spasms, leg cramps, extremity numbness, bone malformations, decayed teeth, difficulty in walking, irritability, restlessness, profuse sweating, increased uric acid (gout), joint damage, damaged red blood cells, destruction of nerves, infertility, miscarriage, and many types of cancer.

Did you know?

There are 60,000 miles of blood vessels in every adult human.

For a complete list of videos, visit our video library