Metamorphic rocks are not easy to make, they are made from rock being exposed to enormous amounts of heat and pressure. Examples of these rock<span> types include marble, slate, gneiss and schist. </span>
Rock change into a metamorphic rock by heat and pressure.
Metamorphic rocks are formed due to physical and chemical change by heat and pressure of existing rocks.The magma heat warms the enclosing rocks making them change.
The rocks buried underground in the Earth, when they are subjected to heat and pressure these rocks change into metamorphic rocks.The pressure crushes the rock to produce metamorphic rock.
Middle: Self heating containers are really expensive but are useful because they are easy to use, portable, and can be recycled, unlike a camp stove which is not as easily moved.
Explanation:
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