Deeply buried rocks in the ground undergo metamorphism due to high pressure and temperature. Depending on the direction of stress or pressure the rocks have different textures and are either foliated or non-foliated. Non-foliated rocks have different compositions due to different parent metamorphic rocks. The metamorphism of Limestone results in Marble.
Therefore the correct answer to this question is
Option A. Marble.
C.- Examining opportunity cost.
The Senegal River has a length of about 675 miles and serves as part of the border between Mauritania and Senegal, before finally draining into the Atlantic Ocean. The headwaters of the river come from two rivers that originate in Guinea, namely the Bafing and Semefé (Bakoye) rivers.
The disadvantages of hydroelectric energy would be the disruption of habitats, flooding, lack of sites and that sites may stop producing energy. <span>The most common type of </span>hydroelectric power<span> plant uses a dam on a river to store water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity.</span>
Answer:
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