Please answer the following question: Answer the following question given this paragraph: Mechanical waves are waves that transfer energy through matter, called the medium. Mechanical waves start when a source of energy causes a disturbance in the medium. Types of mechanical waves include transverse, longitudinal, and surface waves. Q: What type of waves start when a source of energy causes a disturbance in the medium? Choices: - fluid waves - mechanical currents - magnetic waves - mechanical waves A:
A:
mechanical waves