Author Question: The stars found in nebulae like the Orion Nebula probably formed A) within the last few million ... (Read 77 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
The stars found in nebulae like the Orion Nebula probably formed
 
  A) within the last few million years.
  B) about 10 million years ago.
  C) hundreds of millions of years ago.
  D) billions of years ago.
  E) at the beginning of the universe.

Question 2

What two energy transport mechanisms, in order from outside the core to the surface, are found in the Sun?
 
  A) convection, conduction
  B) radiative diffusion, convection
  C) conduction, radiative diffusion
  D) radiative diffusion, conduction
  E) conduction, convection



lauravaras

  • Sr. Member
  • ****
  • Posts: 347
Answer to Question 1

A

Answer to Question 2

B



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Certain chemicals, after ingestion, can be converted by the body into cyanide. Most of these chemicals have been removed from the market, but some old nail polish remover, solvents, and plastics manufacturing solutions can contain these substances.

Did you know?

About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

Did you know?

To maintain good kidney function, you should drink at least 3 quarts of water daily. Water dilutes urine and helps prevent concentrations of salts and minerals that can lead to kidney stone formation. Chronic dehydration is a major contributor to the development of kidney stones.

Did you know?

Elderly adults are living longer, and causes of death are shifting. At the same time, autopsy rates are at or near their lowest in history.

Did you know?

Warfarin was developed as a consequence of the study of a strange bleeding disorder that suddenly occurred in cattle on the northern prairies of the United States in the early 1900s.

For a complete list of videos, visit our video library