Final answer:
Milk is the most appropriate media to transport an avulsed tooth in the absence of Hanks balanced salt solution.
Step-by-step explanation:
The most appropriate media to transport an avulsed tooth in the absence of "Hanks balanced salt solution" would be milk. Milk is known to have properties that can help preserve the viability of the tooth. It provides a suitable environment, maintaining the tooth in an ideal condition until it can be reimplanted. Other options like saliva, saline, and tap water may not provide the necessary properties to preserve the tooth.