*Question*
If evaporation absorbs heat, then what absorbs heat? Answer choices: - kinetic energy - layers of fat - an object - fur and fat - tiny polyps - our nearest star - evaporation - bamboo
**Answer**
evaporation

*Question*
If operating an automobile usually requires a non-renewable resource, then which activity usually requires using a non-renewable resource? Answer choices: - 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

*Question*
If fertilizers help plants grow, then what can help plants grow? Answer choices: - Drought - Fertilizer - Solar energy - Acidic soil - evaporation - Energy. - Lack of sunlight - energy
**Answer**
Fertilizer

*Question*
If caves can be formed by carbonic acid in groundwater seeping through rock and dissolving limestone, then what is one element used to create caves? Answer choices: - sunlight - heat energy - Calcium carbonate - hydrogen and oxygen - calcite - carbonic acid - less water - salinity
**Answer**
carbonic acid