Flotation; Turtles' Lungs Are Thought to Aid It

This page is the CodyCross answer for the clue below from Tundra and Taiga, Group 1699, Puzzle 5 (Altai Mountains).

Question is: Flotation; Turtles' Lungs Are Thought to Aid It

and the answer is: BUOYANCY

Word Meaning:

BUOYANCY — (physics) The upward force on a body immersed or partly immersed in a fluid.

Definitions from Wiktionary.

Flotation; Turtles' Lungs Are Thought To Aid It - Tundra and Taiga CodyCross Answers | CodyCross Solutions