Fact 1: Operating an automobile usually requires fossil fuels. Fact 2: Fossil fuels are considered non-renewable. Given the two facts above, which activity usually requires using a non-renewable resource?

OPTIONS:
- decaying trees
- fissures of hot, acidic water
- Cutting down a tree
- burning coal
- deforestation
- Drying clothes in the sun
- Powering a wind turbine
- Operating an automobile

Answer: Operating an automobile

Fact 1: Aglacier causes mechanical weathering. Fact 2: Mechanical weathering produces detritus. Given the two facts above, what does a glacier produce?

OPTIONS:
- rainfall
- heat energy
- streams.
- detritus
- energy
- erosion
- rock
- streams

Answer: detritus

Fact 1: Alight bulb is used for seeing in the dark. Fact 2: Incandescent light bulbs use a tungsten filament sealed inside a glass bulb. Given the two facts above, tungsten filaments sealed in a glass bulb are used for what in the dark?

OPTIONS:
- photons
- energy
- seeing
- stay warm
- sleeping
- talking
- communicating
- heat

Answer: seeing

Fact 1: Loud noises can cause animals to startle. Fact 2: Guns are loud, folks, and the sound is painful. Given the two facts above, what can cause animals to startle?

OPTIONS:
- Engine
- storms
- guns
- Frogs
- metal
- motion
- Cars
- motors

Answer:
guns