Q: If gravity pulls objects around the sun, then what pulls objects around the sun? Answer choices: - Oxygen - cycles - wind - Energy. - energy - Gravity - h2o - Atmosphere
A: Gravity

Q: If adding something from the ocean to a liquid decreases the melting point of that liquid, then what can be added to a liquid to decrease the melting point of the liquid? Answer choices: - kinetic energy - energy of moving objects - Sulfur dioxide - fossil fuels - Chemical energy - activation energy - aqueous solution - Something from an ocean
A: Something from an ocean

Q: If cells are the basic units of humans, then what are cells the basic units of? Answer choices: - density - clouds - embryos - plants - matter - ferns - humans - batteries
A: humans

Q: If plants rely on a narrow pH range, then what relies on a narrow pH range? Answer choices: - trees - potatoes - a fish - cacti - pine - plants - Oak - bacteria
A: plants