It's cold. You are sitting on what appears to be a water ice-covered world. The Sun is low on the horizon and circles the horizon once every 24 hours.
Despite the low Sun, you can almost feel the Sun's ultraviolet radiation on your exposed face because there is little ozone to protect you. Despite these discomforts, you are pleased to find that the air is quite satisfactory; oxygen seems plentiful and you are able to breathe even without the life-support belt.
Question 2
The ________ seismic waves can pass through both solid and liquid portions of the Earth's interior, and be detected on the other side of the globe.
Fill in the blank(s) with correct word