Answer: softer
The sound waves become weaker, so to an observer this wave is lighter sound.
Answer:
Second one
Explanation:
Lying on the floor is something you can do with the least amount of energy
Answer:
3. they can travel through solids
4. they move rock at right angles to the direction of wave travel
Explanation:
- S waves are called transverse waves they have the ability to move past the solids. They cannot move through the liquids, these waves are perpendicular to the direction of travel.
- They are also called longitudinal waves, the ad is second to record on the seismograph as they slowly pass through the rocks. They have a speed of 3.4 to 7.2 km as per the boundary.
Lipids are found in the sugars and starches, and are the main sources of energy in the body.
