Reptile scales are made of alpha and beta keratin and are formed from the epidermis
I only photographed my textbook but this page gives a lot of information about your question
Santiago is the name of Chile's capital and largest city, <span>sits in a valley surrounded by the snow-capped Andes and the Chilean Coast Range. </span>
The equator and prime meridian meet closet to the continent of Africa.
Hope this helps! XD :)
