Continent is synonom of the proper noun Africa.
Bulleted lists help readers understand the text because they draw your eye to the important list. It's also good organization which is sometimes pleasing to the eye. It is fairly easier to understand and comprehend those important details that are bulleted rather than numbers or letters.
Emily and Tamra are both proper nouns. Careful is an adverb. Stuff is a noun. Is is a verb. With is a preposition. And always is an adverb.