Answer:
to show how gases move under the force of a black hole
Answer:
science fiction
Explanation:
arrative literary works whose content is produced by the imagination and is not necessarily based on fact.
Since this is an open question with no choices, I am answering with what I think will best fill in the blank. Note: I do not know exactly what answer they are looking for.
The best answer is: REM
REM is the stage of sleep where dreaming occurs. REM stands for Rapid Eye Movement. Exactly as the title says, REM sleep is characterized by fast back and forth movement of the eyes.
The answer is either C or A
