« previous next »

Author Question: Dark energy A) has mass. B) has never been directly observed in the laboratory. C) pushes on ... (Read 59 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?

Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Did you know?

Earwax has antimicrobial properties that reduce the viability of bacteria and fungus in the human ear.

Did you know?

When blood is deoxygenated and flowing back to the heart through the veins, it is dark reddish-blue in color. Blood in the arteries that is oxygenated and flowing out to the body is bright red. Whereas arterial blood comes out in spurts, venous blood flows.

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

Acute bronchitis is an inflammation of the breathing tubes (bronchi), which causes increased mucus production and other changes. It is usually caused by bacteria or viruses, can be serious in people who have pulmonary or cardiac diseases, and can lead to pneumonia.

Image was downloaded from the Jet Propulsion Laboratory web site Image was downloaded from the Jet Propulsion Laboratory web site
A Coronal Mass Ejection A Coronal Mass Ejection
The energy set-point view that is the basis of many people’s thinking about hunger and eating. The energy set-point view that is the basis of many people’s thinking about hunger and eating.
Tummy rock to release energy blocks in the torso and head. Tummy rock to release energy blocks in the torso and head.
Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body Change in Bone Mass over Time In your early years, more bone mass is added than lost in your body
What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ... What is the mass of air in a room that measures 5.0 m 8.0 m 3.0 m? (The density of air is ...
Video: Haustral churning, Gastrocolic reflex and mass peristalsis & Defecation

For a complete list of videos, visit our video library