Q: Fact 1: Avalley is formed by a river flowing. Fact 2: Canyon formed as a consequence of river erosion. Given the two facts above, a valley is formed by?

OPTIONS:
- Sediment
- a solute
- calcite
- seismic activity
- glaciation
- weathering
- erosion
- loose soil

A: erosion

input: OPTIONS:
- discoloration
- bacteria
- freezing
- Dehydration
- spoilage
- cancer
- bad odors
- apoptosis Now, answer this question: Fact 1: Irradiating food can be used to kill existing microorganisms in the food. Fact 2: Microorganisms in food are also responsible for the spoilage of food. Given the two facts above, irradiating food prevents what?
A:
output: spoilage

Fact 1: Awindmill converts wind energy into electricity primarily by using mechanical energy. Fact 2: Windmills are machines operated by windpower. Given the two facts above, what does windpower get converted into?

OPTIONS:
- magnet
- energy
- direct energy
- wind
- water
- energy usage
- electricity
- animal transport

Answer: electricity

Problem: OPTIONS:
- a fish
- aorta
- bacteria
- animals
- clams
- plants
- sharks
- Birds
Q: Fact 1: Mollusks have a circulatory system with one or two hearts that pump blood. Fact 2: Clams are mollusks that live in the sea or in freshwater. Given the two facts above, what have a circulatory system with one or two hearts that pump blood?
Answer: clams

Problem: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

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?
****
A: Operating an automobile

Problem:OPTIONS:
- silence
- Something to move
- reproduction
- birth
- energy of moving objects
- heat energy
- Chemical energy
- harmful substances

Fact 1: Producing thrust causes something to move. Fact 2: Then the engine spins up and starts producing thrust. Given the two facts above, what do engines cause?
****
A:
Something to move