Q: Animals require water for survival, and if water is scarce, animals and plants die. Given these facts, what will plants die without among the following options: - acid - energy - phosphorous - pollution - oxygen - photons - water - rain
A: water

Q: Landfills have a negative impact on the environment, and recycling cuts down on landfill. Given these facts, how does recycling impact the environment among the following options: - has absolutely no impact - makes the environment wetter - Is a negative impact - lowered energy cost - reduces negative impacts - animals with backbones - reducing acid rain - Riding a bike
A: reduces negative impacts

Q: Mammals breathe with the help of a diaphragm, and belly breathing uses the diaphragm, which helps relax the lungs. Given these facts, what breathes by relaxing the lungs among the following options: - mammals - tortoises - dogs - chickens - ducks - humans - crocodiles - animals
A: mammals

Q: Hitting an object causes the particles in that object to vibrate, and frequency is the measurable rate of that vibration. Given these facts, what changes to the particles of an object when hit among the following options: - Temperature - frequency - Energy. - volume - molecules - density - energy - heat energy
A: frequency