The dark cloud was like a stain of darkness over the wide-open plain.
(Is that too advanced?)
There was a red stain on the boy's shirt as he stood in the grassy plain.
(That's a bit simpler.)
a, c, a, e gggggggggggggggggg i am just typing this for 20 characters those are the answers
This paragraph describes the force of gravity towards the galaxy
The last one is correct. You only capitalize P in president if it's before the president's name! :)
A- Many ethnic groups lived in the artic regions