(Question)
Q: What objects are made from highly reflective metal that is applied to a curved or flat piece of glass? Choices: - frames - vases - machines - mirrors A:
(Answer)
mirrors

(Question)
Q: Many important crops, such as corn, are planted and harvested as what? Choices: - trees - cuttings - berries - seeds A:
(Answer)
seeds

(Question)
Q: What is a form of mechanical energy that starts with a vibration in matter? Choices: - solar energy - electrical energy - industrial energy - sound energy A:
(Answer)
sound energy