Ques: Q: What do the ears have to be protected from in order to avoid hearing loss? Choices: - Cold weather - Water - Storms - loud sounds A:
Ans: loud sounds

Ques: Q: The duodenum, the jejunum, and the ileum are the main regions of which organ? Choices: - lungs - large intestine - heart - small intestine A:
Ans: small intestine

Ques: Q: What is the term for the method of sending out ultrasound waves to determine the locations of objects? Choices: - catabolism - magnetism - morphology - echolocation A:
Ans: echolocation

Ques: Q: What is the name of the the most efficient possible engine? Choices: - excitation engine - diesel engine - ventilation engine - carnot engine A:
Ans:
carnot engine