Most earthquakes are produced by the rapid release of which kind of energy stored in rock subjected to great forces?
a. kinetic
b. thermal
c. elastic
d. mechanica

The correct answer for the question that is being presented above is this one: "c. elastic." Most earthquakes are produced by the rapid release of 
elastic energy stored in rocks subjected to great forces. The greater the elasticity of the energy, the more it is subjected to great forces.

Alkaline earth metals are found in group 2 of the periodic table.

The characteristics of groundwater is said to be: are weak turbiditya constant temperaturechemical composition and almost overall absence of oxygen.