Q: Fact 1: Trees have woody stems covered with bark. Fact 2: All elms are trees. Given the two facts above, what have woody stems covered with bark? | OPTIONS:
- bamboo
- Spruce
- oak
- h2o
- grass
- elms
- roses
- bushes
A: elms

Q: Fact 1: Most plants grow roots down into the soil to absorb water and minerals. Fact 2: If the plant is green, it is a producer. Given the two facts above, what can a producer grow down into the soil in order to absorb minerals and water? | OPTIONS:
- Trees
- stems
- roots
- Oak
- seeds
- burrs
- grass
- water absorbing petals
A: roots

Q: Fact 1: Mollusks have a circulatory system with one or two hearts that pump blood. Fact 2: Interestingly, a squid is also a mollusk. Given the two facts above, what has a circulatory system with one or two hearts that pump blood? | OPTIONS:
- squids
- fur seals
- the Sun
- goats
- the ocean
- rocks
- sharks
- a fish
A: squids

Q: Fact 1: Sunlight and rain can cause a rainbow. Fact 2: Cold fronts bring in the rain. Given the two facts above, what can cause a rainbow? | OPTIONS:
- sunlight
- cold fronts
- heating liquids
- earthquakes
- the moon
- solar eclipse
- a prism
- evaporation
A: cold fronts