Question: Q: Humans possess greater diversity of what type, compared to laboratory animals? A:
OPTIONS:
- lifespans
- elements
- pathogens
- genetics
Answer: genetics

input with options: Q: What is a measure of the amount of space a substance or an object takes up? A:
OPTIONS:
- speed
- density
- mass
- volume
output: volume

Q: Q: Shark teeth likely evolved from the jagged scales that cover their skin, called what? A:

OPTIONS:
- heterotroph scales
- hook scales
- pinworm scales
- placoid scales

A: placoid scales

input: OPTIONS:
- direction of power
- direction of work
- direction of friction
- direction of force Now, answer this question: Q: Claw ends of hammers and flagpole pulleys are examples of simple machines that reverse what? A:
A:
output: direction of force

Q: Why is the drift velocity negligible? A:

OPTIONS:
- shows free charges
- less free charges
- need free charges
- many free charges

Answer: many free charges

Q: Q: How many valves are in the heart? A:

OPTIONS:
- one
- six
- two
- four

A:
four