Q: If you can save food with dehydration or salt, then what are two ways you can save food? Answer choices: - Fully cooking the oysters - Burning fuel and air - Bread it and fry it - Water it down and drink it - converting electricity to heat - lowered energy cost - Dehydration and salting - Burn it and throw it away
A: Dehydration and salting

Q: If frogs have sense organs to smell and taste chemicals, then what have sense organs to smell and taste chemicals? Answer choices: - viruses - the Sun - sharks - bacteria - humans - frogs - bears - Birds
A: frogs

Q: If evolution studies characteristics over time, then what does evolution study over time? Answer choices: - Plant reproduction - sensory neurons - Plants growth - Animal survival - survival - competition - characteristics - light energy
A: characteristics

Q: If exposure to air pollution can harm the lungs, then which type of pollution is most harmful to lungs? Answer choices: - Lead - air - Cars - oil - acid - CFCs - SO2 - mold
A: air