Answer:
The rocks location is underneath an ocean or mountain
Explanation:
Silicic rock are igneous rock rich in silica. The amount of silica that constitutes a silicic rock is usually defined as at least sixty three percent. Granite and rhyolite are the most common silicic rocks found. These are found in the magma of the Earth.
Silicic is the group of silicate magmas which crystallise a relatively small proportion of ferromagnesian silicates. The main constituents of a silicic rock will be minerals rich in silica-minerals mainly.
Answer:
The charge stored is 
The energy stored is
Explanation:
From the question we are told that
The area of the plates is
The separation between the plate is 
The potential difference is 
The permitivity of free space is 
The dielectric constant of glass is K = 5.0
Generally the capacitance of this capacitor is

substituting values


The charge stored is mathematically evaluated as

substituting values


The energy stored is

substituting values


Okay, so they want to basically Increase their grip, and they are taking advantage of the force of friction