Q: What element is typically used to shield things from gamma rays? A:
OPTIONS:
- gold
- silver
- aluminum
- lead

Answer: lead

Question: Q: Refraction happens when light bends from doing what in a new medium? A:
OPTIONS:
- changing brightness
- changing color
- changing trajectory
- changing speed
Answer: changing speed

input with options: Q: What are the two metals within a battery called? A:
OPTIONS:
- sheath and a cathode
- anode and sheath
- anode and diode
- anode and a cathode
output: anode and a cathode

Q: Q: What structure connects the pharynx to the trachea? A:

OPTIONS:
- thyroid
- aorta
- sternum
- larynx

A: larynx

input: OPTIONS:
- channel waves
- sound waves
- infrared waves
- radio waves Now, answer this question: Q: What are electromagnetic waves with the longest wavelengths called? A:
A:
output: radio waves

Question: Q: What are the two major atmospheric gases? A:
OPTIONS:
- carbon and helium
- nitrogen and hydrogen
- hydrogen and oxygen
- nitrogen and oxygen
Answer:
nitrogen and oxygen