The best statement would be number 3. Sound waves move perpendicular to the medium particles.
Answer:
Average Velocity = 3.65 m/s
Explanation:
Average Velocity 
Answer:
D. Salt Weathering
Explanation:
Salt weathering is defined as a geomorphic process resulting in the physical disintegration of rocks or stones and in the fretting of their surfaces. Often you tend to find the best examples of salt weathering in dessert areas and coastal areas. You can find three distinct types of weathering which are biological weathering, physical weathering, and chemical weathering.
