(Question)
Q: Portable amplifiers have batteries that store what type of energy? Choices: - kinetic energy - mechanical energy - carbon energy - chemical energy A:
(Answer)
chemical energy

(Question)
Q: Where are most plants firmly rooted? Choices: - rock - grass - mineral - soil A:
(Answer)
soil

(Question)
Q: Some compounds form rigid frameworks called what? Choices: - grids - ions - chemicals - crystals A:
(Answer)
crystals