Only if it's at the beginning of a sentence or part of a title.
In general, tobacco is lowercase.
"I bought some chewing tobacco from the gas station".
"Can" is typically not capitalized in sentences unless it is the first word or part of a proper noun.
No, seasons are not capitalized.
Tobacco
Yes, "Spring 2009" should be capitalized because it is a specific season and year.
No, keywords do not have to be capitalized.
No it's not capitalized.
No it shouldn't be capitalized.
Wikipedia is capitalized.
No, it is not capitalized.
In general, the term "cuneiform" is not capitalized unless it is at the beginning of a sentence. Cuneiform is an ancient writing system that uses wedge-shaped characters, and it was used by various civilizations in the ancient Near East.
tobacco
Tobacco made in England