“Shark skin is made up of tiny rectangular scales topped with even smaller spines or bristles, making the skin rough to the touch. Shark skin was used in the past as an abrasive, for polishing wood.”
Wow that is rough!
Click here to cancel reply.
Sorry,At this time user registration is disabled. We will open registration soon!
Don't have an account? Click Here to Signup
© Copyright GreenAnswers.com LLC