Q: Fact 1: Being exposed to wind can cause erosion of soil. Fact 2: Desertification implies soil erosion. Given the two facts above, being exposed to wind can cause what? | OPTIONS:
- Electrical energy
- tarnation
- deviation
- Pollution
- Dehydration
- flooding
- desertification
- lamination
A: desertification

Q: Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Because reptiles are vertebrates, they are chordates. Given the two facts above, what kind of circulatory system does a reptile have? | OPTIONS:
- three
- Closed
- organ
- complex
- Oxygenated
- kinetic
- None
- Open
A: Closed

Q: Fact 1: Natural disasters can cause animals to leave an environment. Fact 2: Climate change has been linked to the increasing ferocity of natural disasters. Given the two facts above, what kind of environmental changes can result from climate change? | OPTIONS:
- Greenhouse gases
- threatened
- deforestation
- colder and wetter
- global warming
- animals leaving
- Pollution
- Greenhouse gasses
A: animals leaving

Q: Fact 1: Damming a river can cause a lake to form. Fact 2: The dam also generates electricity. Given the two facts above, what can cause a lake to form? | OPTIONS:
- Something that generates electricity
- water and minerals
- rivers and streams
- fissures of hot, acidic water
- dividing into two parts
- it flows to a lower level
- a hydraulic system
- changing the phase
A: Something that generates electricity