Sometimes in the same direction but most of them go in the opposite direction
Answer:
The waves are refracted as they travel through the Earth due to a change in density of the medium. This causes the waves to travel in curved paths. When the waves cross the boundary between two different layers, there is a sudden change in direction due to refraction
Answer:
100 mph
Explanation:
Average speed = distance / time
v = 250 mi / 2.5 hr
v = 100 mi/hr
Conclusions be adjusted as necessary to incorporate new knowledge.
Hope this helps =)
im taking an integrated physics and chemistry test rite now!
