...interior)? Similar questions will appear on my test and just want to be sure that I've got the right idea.
Here are the ones that im unsure of..

1. Which evidence has led to the inference that solid zones and liquid zones exist within the earth ?
A. Analylis of Seismic Wave data. B. The Earth's rotatioal speed during the different seasons. C. Direct tempiture measurments of the Earth's interior. D. Gravitational measurments made at the Earth's surface.

2. The place where an earthquake appears to originate is called the: A. epicenter B.Core C. Center D. zenith

3. Placing a seismograph on the mon has enabled scientist to determine that the moon has. A. Water. B. An atmpsphere. C. Radioactive rocks. D. crustal movements