A brick would not be considered a rock because of the fact that:
A brick is gotten from the mixture of:
As a result of this, the formation of a brick is man-made because it has to do with the efforts of man to bring together several different materials and mix them under the right conditions for it to become a brick.
A rock on the other hand has to do with naturally formed solids which can be gotten from fossil remains and other sediments that were brought together by natural agents such as:
Therefore, the correct answer is option D
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