Q: How many bones does the mammalian middle ear have? Choices: - two - twelve - four - three A:
three

Q: What is the distance between the nuclei of two identical atoms bonded together called? Choices: - cycle radius - bond radius - sleep radius - atomic radius A:
atomic radius

Q: What is the way animals act either alone or with other animals called? Choices: - animal way - animal lifestyle - animal point - animal behavior A:
animal behavior

Q: What provides building materials for the body? Choices: - energy - heat - water - food A:
food