*Question*
If animals adapted to living within certain salinity ranges require great amounts of water to survive, then animals adapted to living within certain salinity ranges require great amounts of what to survive? Answer choices: - liquid - water - oxygen - air - sodium - grass - energy - atmosphere
**Answer**
water

*Question*
If flowing water can slowly dissolve carbon in sandstone, then flowing water can slowly dissolve carbon in what? Answer choices: - oil - water - crust - ice - loose dirt - sandstone - precipitation - loose soil
**Answer**
sandstone

*Question*
If papilloma causes diseases, then what causes diseases? Answer choices: - water - air - smoking - fungi - insects - Papilloma - sunlight - Pollution
**Answer**
Papilloma

*Question*
If plucking vibrates the saddle, then what vibrates the saddle? Answer choices: - voltage - friction - nerves - heat energy - mechanical - plucking - energy - waves
**Answer**
plucking