*Question*
If arubber band snapping causes a frequency wave, then what does a rubber band snapping cause? Answer choices: - frequency wave - friction - electrically - h2o - death - chemical reaction - elastic - Electrical energy
**Answer**
frequency wave

*Question*
If crust being pushed together causes earthquakes, then what can be pushed together to form an earthquake? Answer choices: - fibrils - volcanos - crust - energy - trees - waves - boulders on the earth - rocks
**Answer**
crust

*Question*
If bacteria are able to increase the amount of nutrients in the soil, then what are able to increase the amount of nutrients in the soil? Answer choices: - Frogs - farms - mussels - bacteria - clams - plants - acid rains - tractors
**Answer**
bacteria

*Question*
If insulation prevents conduction, then what prevents conduction? Answer choices: - water - sweating - glass - layers of fat - wind - insulator - a cuticle - conductor
**Answer**
insulator