which waves require a medium (matter) to travel?\n□ x - ray\n□ sound\n□ microwave\n□ water
which waves require a medium (matter) to travel?\n□ x - ray\n□ sound\n□ microwave\n□ water
Answer
Answer:
B. sound
Brief Explanations:
Sound is a mechanical wave and needs a medium like air, water, or solids to travel. X - rays and microwaves are electromagnetic waves that can travel in a vacuum. Water is a medium itself, not a wave that requires a medium to travel.