Why is the process of erosion important to dome mountains? Erosion unearths igneous rocks found in the middle of the mountain.
Dome mountains can only be made through erosion of water.
Erosion affects the chemical make up of dome mountains.
The size of a dome mountain is determined only by erosion.

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#2- the hno3 has a h+ ion and the naoh has an oh- ion

The internal energy of the system we can term it as total potential energy and kinetic energy. energy flows out of the surrounding from the system then we can say that the internal energy of the final state is lower than its initials. the sign of  δesystem is negative.δesystem = efinal - einitial=-ve  efinal  ∠einitial.