I need two versions from this assignment, One for me and One for my friend we are in the same class and same teacher and must be 100 different.

Criteria: Two paragraphs that provide a thorough and thoughtful response to the discussion question. Knowledge and understanding of the content are demonstrated. It should be supported with examples, references, or experiences if there is any factual information is given.

Discussion Question:

Using the knowledge of ‘Electromagnetic spectrum’ from Atomic Structure

Explain why traffic lights contain ONLY Green, Red and Orange?