Does sound travel at the same speed through all materials

no

Explanation:

Sound travels fastest in liquid than in air and than in solid

Water> Air> Solid

Hope it helps :)

showing a photograph would make this a hell of alot easier

here is the answer

water, ice, acids, salts, plants, animals, and changes in temperature are all agents of weathering. weathering is the breaking down or dissolving of rocks and minerals on earths surface. once a rock has been broken down, a process called erosion transports the bits of rock and minerals away.