What can light do when it passes through the air?
Options:
- beam
- polarised
- carry information
- age paper
- illuminate
Let's think now! Step-by-step reasoning:

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
user
Illuminate means to light up. Light illuminate when it passes through the air.
So, the final answer is illuminate.