yes
No, there is no need to capitalise fitness in a sentence.
No, you do not need to capitalise mile in a sentence.
You always capitalise days of the week in a sentence.
No, not unless it was beginning the sentence. Capitalize, by the way.
When you are referring to the planet Earth.At the beginning of a sentence.
No, you do not need to capitalise the word 'unique' in the beginning, middle or end of a sentence because it is not a place or name. You only capitalise 'unique' at the start of a sentence after a full stop. For example, words like Sydney are capitals no matter where they are put in the sentence because it is a place and name of a city. Also the name Isabella is a capital no matter where it is put in the sentence because it is a name. These words with capital letters are called Proper Nouns.
yes here is an example:I live in America. You also capitalise the first letter of a sentence
No, only after a full stop (period). Also do not capitalise "The" and "A" in your sentence.
Yes, the word "plaque" is not typically capitalized unless it is at the beginning of a sentence.
No, you do not need to capitalise internships in a sentence.
There is no need to capitalise the word 'koala' in a sentence. Nor do you use the word 'bear', as koalas are not bears.
Always capitalize "The" when it is the first word of a title, regardless of where it appears in a sentence. Examples: "The Blair Witch Project" and "The Box."