Question: This is a correct answer to the following question about Skin. Yes or no? Answer: Reptiles and fish have hard protective scales on their skin for protection, and birds have hard feathers, all made of tough - keratins . Question: what is human skin made of
Answer: No

Question: This is a correct answer to the following question about Serenity Prayer. Yes or no? Answer: The best-known form is: God, grant me the serenity to accept the things I cannot change, Question: who wrote serenity prayer
Answer: No

Question: This is a correct answer to the following question about Fire extinguisher. Yes or no? Answer: In stored pressure units, the expellant is stored in the same chamber as the firefighting agent itself. Question: how fire extinguisher works
Answer:
No