*Question*
If water erodes rocks as they flow over, creating a valley, then what is created when rocks erode? Answer choices: - calcite - A pond - A valley - detritus - fossil fuels - A river - A volcano - a prism
**Answer**
A valley

*Question*
If rocks become hot very slow, then rocks become hot very what? Answer choices: - cycles - slow - Erode - mostly - H20 - expand - energy - ligt
**Answer**
slow

*Question*
If when steel conducts heat, the steel expands, then what expands when it conducts heat? Answer choices: - lipids - fabric - glass - Energy. - steel - cement - a prism - plastic
**Answer**
steel

*Question*
If harming pink flamingoes causes their population to decrease, then what causes pink flamingos' population to decrease? Answer choices: - replenishing their habitats - drought - harming them - hypothyroidism - helping them - influenza - feeding them - Pesticides
**Answer**
harming them