question: Write a question you would see in a school textbook. OPTIONS:
- sunlight and wind
- sunlight and space
- soil and pollen producers
- pollen producers and space
answer: In the forest, one type of tree produces special seeds. These seeds start to grow only after going through a fire. In the fire, the adult trees are destroyed. Which resources, needed for growth, are now available to the newly growing seeds?

question: Write a question you would see in a school textbook. OPTIONS:
- molecules.
- ions.
- isotopes.
- compounds.
answer: When a formula unit of magnesium sulfide, MgS, is separated into magnesium and sulfur particles, the particles are called

question: Write a question you would see in a school textbook. OPTIONS:
- amplitude.
- frequency.
- vibration.
- reflection.
answer:
The action that results when waves made in a pond strike the edges and bounce back is known as