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

Author Question: According to current theories, the universe appears to be made A) of dark matter B) of dark ... (Read 141 times)

chandani

  • Hero Member
  • *****
  • Posts: 541
According to current theories, the universe appears to be made
 
  A) of dark matter
  B) of dark energy
  C) mostly of ordinary matter in the form of stars and galaxies
  D) of an equal mixture of dark matter and dark energy

Question 2

The universe was two minutes old when ________ started to form from deuterium fusion.
 
  Fill in the blank(s) with correct word



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

bob

  • Sr. Member
  • ****
  • Posts: 343
Answer to Question 1

B

Answer to Question 2

helium




chandani

  • Member
  • Posts: 541
Reply 2 on: Jul 27, 2018
Gracias!


steff9894

  • Member
  • Posts: 337
Reply 3 on: Yesterday
Thanks for the timely response, appreciate it

 

Did you know?

People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Did you know?

The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

Did you know?

The Centers for Disease Control and Prevention has released reports detailing the deaths of infants (younger than 1 year of age) who died after being given cold and cough medications. This underscores the importance of educating parents that children younger than 2 years of age should never be given over-the-counter cold and cough medications without consulting their physicians.

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.

For a complete list of videos, visit our video library