question: Bird egg shells are made of the same thing as what?
choices.text: females carbon arthropods Antacids similar the uterus A semimetal fish
choices.label: A B C D E F G H
formatted_question: Bird egg shells are made of the same thing as what? (A) females (B) carbon (C) arthropods (D) Antacids (E) similar (F) the uterus (G) A semimetal (H) fish