devance Posted November 28, 2009 The polar bear has hollow fur as to the actual fur. A big animal who could preserve heat. Anyway theres two ways a , 1 a layer of or a air to create a layer. 2 create a a aluminum on the top of the hollow fibers clothing. Share this post Link to post Share on other sites
kindness Posted November 28, 2009 i love your posts Share this post Link to post Share on other sites
