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 42 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?

Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

Did you know?

Although not all of the following muscle groups are commonly used, intramuscular injections may be given into the abdominals, biceps, calves, deltoids, gluteals, laterals, pectorals, quadriceps, trapezoids, and triceps.

Did you know?

The heart is located in the center of the chest, with part of it tipped slightly so that it taps against the left side of the chest.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

For a complete list of videos, visit our video library