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

Author Question: The cosmic microwave background is A) the faint radiation that comes from the hydrogen atoms that ... (Read 30 times)

silviawilliams41

  • Hero Member
  • *****
  • Posts: 560
The cosmic microwave background is
 
  A) the faint radiation that comes from the hydrogen atoms that fill the universe.
  B) the now-cooled radiation that was released by the big bang.
  C) caused by the world's microwave ovens.
  D) the faint glow from the most distant galaxies.
  E) the now-cooled X-ray radiation emitted by very distant supernova explosions.

Question 2

The power of American automobiles is usually rated in horsepower. What other units could be used?
 
  A) watts
  B) joules
  C) Calories
  D) None of the above.
  E) All 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

jojobee318

  • Sr. Member
  • ****
  • Posts: 298
Answer to Question 1

B

Answer to Question 2

A





 

Did you know?

Malaria mortality rates are falling. Increased malaria prevention and control measures have greatly improved these rates. Since 2000, malaria mortality rates have fallen globally by 60% among all age groups, and by 65% among children under age 5.

Did you know?

There are major differences in the metabolism of morphine and the illegal drug heroin. Morphine mostly produces its CNS effects through m-receptors, and at k- and d-receptors. Heroin has a slight affinity for opiate receptors. Most of its actions are due to metabolism to active metabolites (6-acetylmorphine, morphine, and morphine-6-glucuronide).

Did you know?

The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Did you know?

The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

For a complete list of videos, visit our video library