The correct option is J “proven is that” since no comma is needed after the word “proven”. Grammatically speaking, commas are used to help in the meaning of a sentence by grouping and separating words or clauses. By using commas, a sentence can avoid misunderstanding, but in this case the comma is not necessary to have a clear meaning on its own.
no
Explanation:
it is usually considered pointless and its only real good use is a resivour for beneficial gut bacteria.
The author would pay attention to small details because some small details are very important.
the third one down is all on u
i would help her learn sign language or something that she could use to be able to "speak" to others.
idk about the first one because it's been awhile since i had read the book