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

Author Question: Measuring the amount of deuterium in the universe allows us to set a limit on ________. A) the ... (Read 26 times)

Redwolflake15

  • Hero Member
  • *****
  • Posts: 569
Measuring the amount of deuterium in the universe allows us to set a limit on ________.
 
  A) the acceleration of the universe
  B) the total amount of mass in the universe
  C) the density of ordinary (baryonic) matter in the universe
  D) the current age of the universe

Question 2

We cannot see a new moon in our sky because ________.
 
  A) it is above the horizon during the daytime B) no sunlight is illuminating the Moon
  C) it is obscured by Earth's shadow D) a new moon is quite near the Sun in the sky



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

ynlevi

  • Sr. Member
  • ****
  • Posts: 338
Answer to Question 1

C

Answer to Question 2

D




Redwolflake15

  • Member
  • Posts: 569
Reply 2 on: Jul 27, 2018
Wow, this really help


FergA

  • Member
  • Posts: 352
Reply 3 on: Yesterday
Gracias!

 

Did you know?

Before a vaccine is licensed in the USA, the Food and Drug Administration (FDA) reviews it for safety and effectiveness. The CDC then reviews all studies again, as well as the American Academy of Pediatrics and the American Academy of Family Physicians. Every lot of vaccine is tested before administration to the public, and the FDA regularly inspects vaccine manufacturers' facilities.

Did you know?

In the United States, congenital cytomegalovirus causes one child to become disabled almost every hour. CMV is the leading preventable viral cause of development disability in newborns. These disabilities include hearing or vision loss, and cerebral palsy.

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?

The average adult has about 21 square feet of skin.

Did you know?

If you could remove all of your skin, it would weigh up to 5 pounds.

For a complete list of videos, visit our video library