Dark energy A) has mass. B) has never been directly observed in the laboratory. C) pushes on ...

Author Question: Dark energy A) has mass. B) has never been directly observed in the laboratory. C) pushes on ... (Read 36 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

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