8
Earth's lithosphere is unique compared to other planets because it contains soil.
Added 3/3/2016 1:48:54 PM
This answer has been confirmed as correct and helpful.
Confirmed by
Andrew. [3/3/2016 10:38:15 PM]
8
Earth's tectonic activity is a significant factor that made life on Earth possible because the movement of Earth's crustal plates affects volcanic activity and the atmosphere.
Added 3/3/2016 1:49:08 PM
This answer has been confirmed as correct and helpful.
Confirmed by
Andrew. [3/3/2016 10:38:43 PM]