input: OPTIONS:
- giant
- white
- yellow
- blue Now, answer this question: Q: Red stars are the coolest; which are the hottest? A:
A:
output: blue

Q: What element is the most common element in the universe? A:

OPTIONS:
- carbon
- helium
- nitrogen
- hydrogen

Answer: hydrogen

Problem: OPTIONS:
- Earth's surface
- Exosphere
- Troposphere
- the stratosphere
Q: Q: Most of the heat that enters the mesosphere comes from where? A:
Answer: the stratosphere

Problem:OPTIONS:
- weight
- size
- precipitation
- temperature

Q: Each enzyme has an optimal what at which its reaction rate is greatest? A:
****
A: temperature

Q: The molecular formula is still c 4 h 10 , which is the same formula as? A:
OPTIONS:
- chlorine
- carbon hydroxide
- propane
- butane
butane

Q: Radiation can be absorbed or shielded by materials, particularly what material used to make protective aprons worn by x-ray administrators? A:
OPTIONS:
- cotton
- steel
- carbon
- lead

Answer:
lead