Answer:
1. Primary or P waves are push and pull waves
2. Secondary, S or Shear Waves are also called transverse wave
3. L or surface waves reach the earth's surface after P and S waves
I pretty sure it’s the mantle
Answer:
air friction
Explanation:
this helps with take of and landing.
Answer:
physical quantity that only has magnitude and no other characteristics.
Explanation:
so no velocity only magnitude
