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

Author Question: Which of the following statements is true of reflection nebulae? A) They have a distinctive blue ... (Read 80 times)

debasdf

  • Hero Member
  • *****
  • Posts: 570
Which of the following statements is true of reflection nebulae?
 
  A) They have a distinctive blue color.
  B) The gases in reflection nebulae are excited to emit photons.
  C) The spectrum of a reflection nebula is not the reflected absorption spectrum of starlight.
  D) They are produced when a hot star excites the gas to produce an emission spectrum.

Question 2

_____ is a series of three nuclear reactions that builds a helium nucleus by adding protons one at a time.
 
  A) The proton-neutron chain
  B) The helium proton chain
  C) The proton-proton chain
  D) The hydrogen-helium chain



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ebonylittles

  • Sr. Member
  • ****
  • Posts: 318
Answer to Question 1

A

Answer to Question 2

C




debasdf

  • Member
  • Posts: 570
Reply 2 on: Jul 27, 2018
YES! Correct, THANKS for helping me on my review


LegendaryAnswers

  • Member
  • Posts: 341
Reply 3 on: Yesterday
Great answer, keep it coming :)

 

Did you know?

Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

Did you know?

More than one-third of adult Americans are obese. Diseases that kill the largest number of people annually, such as heart disease, cancer, diabetes, stroke, and hypertension, can be attributed to diet.

Did you know?

This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.

Did you know?

The oldest recorded age was 122. Madame Jeanne Calment was born in France in 1875 and died in 1997. She was a vegetarian and loved olive oil, port wine, and chocolate.

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

For a complete list of videos, visit our video library