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Answer The atoms in rocks rearrange to form denser minerals. The combination of heat and pressure may cause the minerals in the rock to separate into layers.

Answer Pressure squeezes out any remaining water that may be left in the metamorphic rock and minerals that have water as part of their structure are changed chemically to minerals that do not require water as part of their structure. The metamorphic rock will then have become a higher grade metamorphic rock possibly containing garnet, a non-hydrous mineral.

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If the pressure in a fluid is affected what characteristic of that fluid?

If the pressure in a fluid is changed, its density is typically affected. In general, an increase in pressure leads to an increase in density, while a decrease in pressure results in a decrease in density.


What happen to the pressure of gas when the pipe is change from large to small diameter?

When the pipe diameter decreases, the gas flow becomes more restricted, causing an increase in pressure. This is known as the Venturi effect, where the fluid velocity increases as it passes through a constricted section, leading to a decrease in pressure.


Does plasticine have a definite shape?

Yes, plasticine can be easily molded into different shapes due to its soft and pliable nature. Its shape is not permanent and can be changed easily by applying pressure or manipulating it with your hands.


How friction forces can be changed?

Friction forces can be changed by altering the surface properties of the objects in contact, applying lubricants to reduce friction, changing the weight or pressure on the surfaces, or adjusting the roughness or smoothness of the surfaces. Increasing the friction force can be achieved by increasing the normal force or the coefficient of friction between the surfaces.


What is the manipulated variable in density?

In the context of density, the manipulated variable is the factor that is intentionally changed or controlled in an experiment to observe its effect on the density of a substance. This could include variables like temperature, pressure, or composition of the substance.