(Question)
Fact 1: Soil erosion means soil loss through wind.  Fact 2: Hurricanes are made of wind.  Given the two facts above, answer the question "What is soil erosion?" with the following options:  - ground to shake  - enormous damage to homes  - movements in the earth's crust  - massive damage  - soil loss through hurricanes  - tectonic plates being pushed together  - fissures of hot, acidic water  - slow and inefficient
(Answer)
soil loss through hurricanes


(Question)
Fact 1: Sharpening an object causes that object to change shape.  Fact 2: Another example is the Swiss army knife that contains other objects.  Given the two facts above, answer the question "Sharpening a knife causes it to change what?" with the following options:  - Energy.  - energy  - flavor  - material  - color  - heat  - shape  - Joules
(Answer)
shape


(Question)
Fact 1: Sinkholes are formed by precipitation.  Fact 2: Rain is also known as precipitation.  Given the two facts above, answer the question "What can cause sinkholes?" with the following options:  - Solid bedrock  - rivers  - mines  - Drought  - Rain  - Evaporation  - coal  - storms
(Answer)

Rain