Yes, a common noun that begins a sentence is always capitalized.
The capital letter at the beginning and the period at the end are the markers that identify each individual sentence.
No, cardiovascular disease does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
No, the word "seismograph" does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
No, assault does not need to be capitalised.
No, "clay glaze" does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
No, the word "revivalist" does not need to be capitalized unless it is at the beginning of a sentence or part of a proper noun.
No. Like any other common noun, declaration is only capitalized at the beginning of a sentence or when it is part of a title.
No, cardiovascular disease does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
If it is in the beginning of a sentence, yes.
No, the word "seismograph" does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
No, assault does not need to be capitalised.
No, "clay glaze" does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
No, the word "revivalist" does not need to be capitalized unless it is at the beginning of a sentence or part of a proper noun.
No, the word "present" does not need to be capitalized unless it is at the beginning of a sentence or part of a title.
No, except at the beginning of a sentence because it is n ot a proper n ou n.
At the beginning of every new sentence or a full stop.
All proper nouns should be capitalized but all words are capitalized at the beginning of the sentence.
You would only capitalize pelican if it was at the beginning of the sentence. Pelican is not a proper noun, so it would not be capitalized.