Options:
1). demolitions.
2). global warming.
3). earthquakes.
4). forest fires.
5). erosion.
6). tsunamis.
7). heat energy.
8). heating liquids.
Q: Fact 1: Tectonic plates being pushed together causes earthquakes. Fact 2: On Earth, mantle convection causes plate tectonics, volcanism, and earthquakes. Given the two facts above, mantle convection causes what?
A:
3).