Question: If evaporation can remove salt from water, then what can separate salt from water? Answer choices: - vaporization - shaking - evaporation - mouth of rivers - salinity - freezing - Heat energy - nothing
Answer: evaporation

Question: If riding a bike is good exercise and also doesn't produce harmful gases, then what can you ride to get good exercise and avoid producing harmful gases? Answer choices: - cows - bike - stairmaster - cycles - bus - trolley - Lift - goats
Answer: bike

Question: If an animal requires food to move, then what substance gives animals the power of movement? Answer choices: - Hydrogen peroxide - force - fats - Sturdy boots - fur - Mass - Hard metals - Food
Answer:
Food