Problem:OPTIONS:
- variety
- axis
- scale
- range

Q: What term is used to describe the total spread of values in a sample? A:
****
A: range

Q: Greater reflection off what atmospheric layer allows am radio waves to travel even farther at night than they can during the day? A:
OPTIONS:
- stratosphere
- exosphere
- troposphere
- ionosphere
ionosphere

Q: The presence of solute particles blocks some of the ability for liquid particles to do what? A:
OPTIONS:
- melt
- fuse
- dissolve
- evaporate

Answer: evaporate

Question: Q: What period starts after the baby is born, and the placenta is expelled from the body? A:
OPTIONS:
- fetal
- postfetal
- traumatic
- postpartum
Answer: postpartum

input with options: Q: What burns to produce the white light in fireworks displays? A:
OPTIONS:
- nitrogen in air
- helium in air
- oxygen in air
- magnesium in air
output: magnesium in air

Problem: OPTIONS:
- astroids
- planets
- galaxies
- stars
Q: Q: What celestial bodies are classified by color and temperature, ranging from blue to red and hottest to coolest? A:
Answer:
stars