Q: Concentric circles that spread out through the water around the droplets are actually types of what moving through the water?


Read this paragraph and choose the correct option from the provided answers:

No doubt you’ve seen this happen. Droplets of water fall into a body of water, and concentric circles spread out through the water around the droplets. The concentric circles are waves moving through the water.

 Choices:

- winds

- troughs

- lines

- waves


A:
waves