question: The layer of protection for preventing water loss, abrasions, and infections is located on the:
choices.text: large back muscles upper epidermis therian mammals underground calcium and protein A hinged joint vital to a good life upper arm muscles
choices.label: A B C D E F G H
formatted_question: The layer of protection for preventing water loss, abrasions, and infections is located on the: (A) large back muscles (B) upper epidermis (C) therian mammals (D) underground (E) calcium and protein (F) A hinged joint (G) vital to a good life (H) upper arm muscles