Q: What substance, involved in most biochemical reactions, is essential to life? Choices: - carbon - nitrogen - air - water A:
water

Q: What is located beneath the lithosphere? Choices: - hydropshere - troposphere - magnetosphere - asthenosphere A:
asthenosphere

Q: A multiaxial ball-and-socket joint has much more mobility than a what hinge joint? Choices: - triaxial - biaxial - quadaxial - uniaxial A:
uniaxial