Both forms of transportation accelerated production and distribution of goods
Explanation: The train got goods to the destination faster and could carry more so, there could be more production made in factories. As for the boat, it could then transport more good over greater distance and bring in the international trade to a greater advantage.
In the earths mantle the convection currents pass through the mantle which then causes friction in the tectonic plates causing earthquakes,volcanoes or tsunamis
