Author Question: The overall result of the proton-proton chain is ________. A) 6 H becomes 1 He + energy B) p + p ... (Read 52 times)

Kthamas

  • Hero Member
  • *****
  • Posts: 546
The overall result of the proton-proton chain is ________.
 
  A) 6 H becomes 1 He + energy
  B) p + p becomes 2H + energy
  C) 4 H becomes 1 He + energy
  D) individual protons are joined into long chains of protons

Question 2

Which hypothetical universe will eventually contract, if there were no dark energy?
 
  A) the universe with 1.5 times the critical density of matter
  B) the universe with 1.0 times the critical density of matter
  C) the universe with 0.5 times the critical density of matter



amanda_14

  • Sr. Member
  • ****
  • Posts: 342
Answer to Question 1

C

Answer to Question 2

A



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question

Kthamas

  • Hero Member
  • *****
  • Posts: 546
Both answers were spot on, thank you once again




 

Did you know?

Thyroid conditions cause a higher risk of fibromyalgia and chronic fatigue syndrome.

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?

The tallest man ever known was Robert Wadlow, an American, who reached the height of 8 feet 11 inches. He died at age 26 years from an infection caused by the immense weight of his body (491 pounds) and the stress on his leg bones and muscles.

Did you know?

Anesthesia awareness is a potentially disturbing adverse effect wherein patients who have been paralyzed with muscle relaxants may awaken. They may be aware of their surroundings but unable to communicate or move. Neurologic monitoring equipment that helps to more closely check the patient's anesthesia stages is now available to avoid the occurrence of anesthesia awareness.

Did you know?

Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

For a complete list of videos, visit our video library