input with options: Q: The amount of water vapor in the air and the temperature of the medium affects how fast what travels? A:
OPTIONS:
- colour
- light
- traffic
- sound
output: sound

Q: Q: What do you call the metal elements listed below the periodic table? A:

OPTIONS:
- rare metals
- shift metals
- process metals
- transition metals

A: transition metals

input: OPTIONS:
- produce off
- Roll over.
- develop off
- reflect off Now, answer this question: Q: What do waves do when they are unable to pass through an object? A:
A:
output: reflect off

Q: Each silicon atom shares how many valence electrons with other silicon atoms in a crystal? A:

OPTIONS:
- five
- ten
- three
- four

Answer: four

Problem: OPTIONS:
- codons
- glycine
- filaments
- nucleotides
Q: Q: Elongation is the addition of what to the mrna strand? A:
Answer: nucleotides

Q: What structure connects the fetus to the placenta, allowing the exchange of gases? A:

OPTIONS:
- sediment cord
- skin cord
- belly button
- umbilical cord

Answer:
umbilical cord