<u>It helps the writers visualize the inside of a black hole. </u>
<em>The other options can described bluntly and scientifically with just names and numbers. </em>
If the writer were to use more formal writing to describe things so abstract like a black hole, it would be hard for the common reader to understand.
____________________________
for example,
The black hole looks like a giant vacuum of nothingness (informal)
The black hole is like a mass whose Schwarzchild radius is outside of itself (formal)
Which is easier to understand? Most likely the first one because of the use of informal language and writing.
Hope I helped!
Answer:
Foolishness
The state of being foolish. (countable) A thing or event that is foolish, or an absurdity.
That's because she was an activist for environmental protection. Green as an adjective often refers not to the color, but rather to describe someone who is environmentally friendly. In this case, her literature fought for preserving the nature and save the environment, so it is therefore green.