Only if it is a name or the first word in a sentence.
No, you are not supposed to capitalize the beginning of a main idea. If you want to emphasize it, than you can do it!
yes
Yes
No, because it is n ot a proper nou n.
Yes I have reason to believe that its capitilized
No, because it is n ot a proper nou n.
Never capitalize "from" in a title, unless it is the first or last word. "From" is a preposition, and prepositions of four letter or less are not supposed to be capitalized. (Some people capitalize longer prepositions, some don't, but that doesn't matter in this case).
Yes, "Green Turtle" is a proper noun and should be capitalized in an essay.
Only if it's the first word or someone's name. It's not a proper noun.
Yes
Yes, according to most style guides, you should capitalize the first word of a subtitle even if it is an article, conjunction, or preposition. This helps maintain consistency and readability in your writing.
Actually there supposed to be five, six, seven, eight, or nine.