Its spinning so when it on water its easy to spin, but it can't make hard land spin.
The chief executive is the president The president is Someone who’s in leader of this country mainly
Answer:
Scientists are able to understand Earth's interior by studying seismic waves. These are waves of energy that travel through Earth, and they move similarly to other types of waves, like sound waves, light waves, and water waves. Seismic waves are sent through the earth during earthquakes, and those energy waves are what cause the ground to shake as they travel through it.
