You only need to capitalize it if you are using it as a noun, or as a name.
no
pontuations capital letters
It probably means that capital letters need fixed, maybe some spelling errors, and maybe some grammar issues - just doesn't sound quite right.
No, they do NOT. Use your regular low-case letters - summer, spring, autumn (or fall) and winter
It is a common noun because element don't need capital letters.
No, you don't need to capitalize tropical rain forest in a sentence.
When the term carbon dioxide is written or spelled out, it does NOT need capital letters. However, when it is written as a chemical formula, it DOES need capital letters, as in CO2.
No, "spring term" does not need capital letters unless it is at the beginning of a sentence or part of a title.
No, capital letters are not necessary for a list. However, using capital letters for the first letter of each item in a list can improve readability and presentation.
there is a button you hit on the keyboard that switches from lowercase to capital letters
Yes you do.
No. Proper nouns (names) use capital letters.
pontuations capital letters
If you need to type in Roman numerals, just use capital letters, such as I, V, X, M, L, D, etc.
Yes
The word king does not need a capital letter. The reason the words April, California, and Renae need capital letters at the beginning is that they are proper nouns.
Typically, it is only titles of works that need either underlining italics, or quotation marks. Titles of groups are just proper nouns, so they'll just need capital letters.
Whenever you start a new sentence, you start it with a capital letter. I know it sounds strange, but this usage is rather common.