Q: The central nervous system is composed of the brain and what else? A:
OPTIONS:
- the sclerotic cord
- the dynamic cord
- the lateral cord
- the spinal cord
the spinal cord

Q: What kind of current flows in just one direction? A:
OPTIONS:
- physical current
- slow current
- Alternating current
- direct current

Answer: direct current

Question: Q: What sustains the fetus while it grows inside the mother's uterus? A:
OPTIONS:
- bacteria
- endometrium
- mitochondria
- placenta
Answer: placenta

input with options: Q: The water in some springs are hot because they're heated by what? A:
OPTIONS:
- gravity
- the sun
- fires
- hot magma
output: hot magma

Q: Q: The fact that all animals have certain traits in common shows that they share what? A:

OPTIONS:
- a common gene
- a common brain
- a common planet
- a common ancestor

A: a common ancestor

Q: Stress building up at the same rate over time at a fault causes what phenomenon? A:
OPTIONS:
- erosion
- volcanoes
- storms
- earthquakes
earthquakes