No, "adults" is not typically capitalized unless it is part of a proper noun or at the beginning of a sentence.
Yes, "Pterodactyl" is supposed to be capitalized as it is a proper noun referring to a specific genus of pterosaur.
Yes, the 'T' in 'The Bahamas' is supposed to be capitalized because "The" is part of the country's official name.
Yes, "Hindenburg" should be capitalized as it is a proper noun referring to the German airship LZ 129 Hindenburg.
Yes, "Swan" is typically capitalized when referring to the specific animal or bird species.
Yes, "Arabs" should be capitalized when referring to the ethnic group or people from the Arab world.
Earth, as in we live on the planet Earth, is supposed to be capitalized. Earth, as in the dirt we walk on, is not supposed to be capitalized.
Usually, yes a phase of the moon is supposed to be capitalized.
No, it shouldn't be capitalized.
No it shouldn't be capitalized.
Yes, "Hindenburg" should be capitalized as it is a proper noun referring to the German airship LZ 129 Hindenburg.
Yes, America should be capitalized.
no
No, but the names of individual languages are capitalized.
Yes, Siamese would be capitalized.
Yes.
Yes.
The word "not" is typically not capitalized in a title unless it is the first word, a proper noun, or part of a hyphenated word.