Answer:
The correct answer is that there are three adjectives that appear in the sentence Which are: Six, Bright and red.
Explanation:
The adjectives main function is to describe, modify or qualify a noun or a pronoun within a sentence. The number "six" in the sentence is a number adjective that is describing a countable noun which is the word "seconds". Red and Bright are qualitative adjectives that are describing the quality of the noun "flames".