Answer:
Colon(:)
Explanation:
Colon(:) is the punctuation mark that is employed at the end of an independent clause followed by a list. Thus, a colon(:) usually appears before a list and introduces the list of items to the sentence. To illustrate, look at the following example:
"The school offers three languages: English, French, and Spanish."
"There are four types of color in the box: red, yellow, blue, orange and green."
