Following SI convention, we never capitalise any unit of measurement when it is written in full. If, however, the unit is named in honour of someone, then its symbol is capitalised. So we write 'ampere' without a capital, but its symbol, 'A', is capitalised.
Incidentally, it's 'ampere', not 'amp'.
Yes, you always capitalize "Cuban."
Nope!
Euro is always capitalized.
The proper adjective for the proper noun Shakespeare(always capitalize a proper noun) is Shakespearean (always capitalize a proper adjective).
Always as it is the name of the language. It is a proper noun, which you must always capitalize.
Yes, you always capitalize "Cuban."
Yes, you capitalize Spanish because it is a language and culture.
Yes, always.
No you do not.
Yes, you always capitalize a day of the week.
Yes, always capitalize a state.
Yes, you should always capitalize a proper adjective.
Nope!
Euro is always capitalized.
Always. It is a proper noun.
no
The proper adjective for the proper noun Shakespeare(always capitalize a proper noun) is Shakespearean (always capitalize a proper adjective).