No they do not they just need to be in each other's magnetic field
A sound wave is a longitudinal wave caused by vibrations and carried through a substance. The particles of the substance, such as air particles, vibrate back and forth along the path that the sound waves travel. Sound is transmitted through the vibrations and collisions of the particles.
This could maybe help you with your answer.
Answer:B
Explanation:i think so im not suree
Dyslexia is treated using specific educational approaches and techniques, and the sooner the intervention begins, the better.
