Q: How do plants support themselves above the ground to get light and oxygen? Choices: - momentum - flaccid stems - symbiosis - stiff stems A:
stiff stems

Q: Ionic bonds are what kind of attraction between ions? Choices: - kinetic - magnetic - nuclear - electrostatic A:
electrostatic

Q: Lava flows from a volcano and hardens into what? Choices: - life - snow - sand - rock A:
rock

Q: What does the concentration of a solution represent? Choices: - spending of solute - the darkness - the percentage of contaminates - percentage of solute A:
percentage of solute