The dots on the map represent deep underground hydrothermal resources in the united states. why do more hydrothermal resources exist in the western regions of the united states

a) Geological processes contributed to the formation of vents in that region.

Explanation:

The western parts of the United States are tectonically more active. This region has a subduction of a denser and heavy oceanic Pacific plate under the less dense and lighter American plate. And the release of the magma at the surface and the pressure is released through the hydro thermal vents.

Answer volcanic eruptionsseismic waves from earthquakes;

We can not answer this question because we cannot see the graph,sorry< 3