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

Author Question: What originally caused the sun to heat up? A) The gases from which it formed had already been ... (Read 56 times)

Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
What originally caused the sun to heat up?
 
  A) The gases from which it formed had already been heated by the Big Bang.
  B) A nearby supernova explosion that occurred during the early stages of the formation of the sun.
  C) Nuclear fusion reactions that occurred during the time when the sun's gases were spread out and beginning to fall together by gravitational attraction.
  D) As the sun's gases gathered together by their own gravity, they accelerated inward and collided.
  E) Electromagnetic radiation from outside the sun heated the sun's gases as they gathered together.

Question 2

Which of these can feel the electric force?
 
  A) neutrino
  B) Z particle
  C) photon
  D) All of the above.
  E) None of the above.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

briseldagonzales

  • Sr. Member
  • ****
  • Posts: 303
Answer to Question 1

D

Answer to Question 2

E



Alainaaa8

  • Hero Member
  • *****
  • Posts: 576
Both answers were spot on, thank you once again




 

Did you know?

Medication errors are three times higher among children and infants than with adults.

Did you know?

Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

Did you know?

Disorders that may affect pharmacodynamics include genetic mutations, malnutrition, thyrotoxicosis, myasthenia gravis, Parkinson's disease, and certain forms of insulin-resistant diabetes mellitus.

Did you know?

Hypertension is a silent killer because it is deadly and has no significant early symptoms. The danger from hypertension is the extra load on the heart, which can lead to hypertensive heart disease and kidney damage. This occurs without any major symptoms until the high blood pressure becomes extreme. Regular blood pressure checks are an important method of catching hypertension before it can kill you.

For a complete list of videos, visit our video library