« previous next »

Author Question: Dark energy A) has mass. B) has never been directly observed in the laboratory. C) pushes on ... (Read 51 times)

Tirant22

  • Hero Member
  • *****
  • Posts: 532
on: Jul 29, 2018
Dark energy
 
  A) has mass.
  B) has never been directly observed in the laboratory.
  C) pushes on space.
  D) All of the above.
  E) None of the above.

Question 2

Oxygen condenses into a liquid at approximately 90 K. What temperature, in degrees Fahrenheit, does this correspond to?
 
  A) -193F
  B) -217F
  C) -265F
  D) -297F


CharlieArnold

  • Sr. Member
  • ****
  • Posts: 319
Reply #1 on: Jul 29, 2018
Answer to Question 1

D

Answer to Question 2

D


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Limit intake of red meat and dairy products made with whole milk. Choose skim milk, low-fat or fat-free dairy products. Limit fried food. Use healthy oils when cooking.

Did you know?

Each year in the United States, there are approximately six million pregnancies. This means that at any one time, about 4% of women in the United States are pregnant.

Did you know?

Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

Did you know?

According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

Did you know?

There are more bacteria in your mouth than there are people in the world.

Glow in the Dark Rabbits Glow in the Dark Rabbits
Laboratory log Laboratory log
Kyo and jitsu-concept of energy deficiency and excess from shiatsu. Kyo and jitsu-concept of energy deficiency and excess from shiatsu.
Activation energy Activation energy
A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ... A 2-kg box of taffy candy has 40 J of potential energy relative to the ground. Its height above ...
Energy flows from the environment into living organisms, then back to the environment Energy flows from the environment into living organisms, then back to the environment
Video: Introduction to Sleep Apnea

For a complete list of videos, visit our video library