Conversation so far:
which water body separates andaman and nicobar island
The Ten Degree Channel is a channel that separates the Andaman Islands and Nicobar Islands from each other in the Bay of Bengal.
how long is the ten degree channel
The Channel is approximately 150 km wide, running essentially along an east-west orientation.

Question: what about alaska and russia
Self-contained rewrite: what about alaska and russia what body of water separates them