All of the following are true of metamorphic rocks except:

a.

metamorphic rocks often show the presence of fossils.

c.

metamorphic rocks often show banded light and dark colors.

b.
metamorphic rocks generally show foliation.
d.
metamorphic rocks make a distinct “ching” sound.

Option (A)

Explanation:

The rocks that are formed when they are subjected to extremely high temperature and pressure condition are called metamorphic rocks. These rocks are directly obtained from the previously existed igneous, sedimentary or other metamorphic rocks. So, they are often considered as the secondary rocks. For example, Quartzite, Schist and Gneiss.

These rocks are often comprised of alternating dark and light-coloured minerals, that are formed due to the effect of increasing temperature-pressure condition. The minerals are oriented in such a way that it forms a parallel arrangement, which is commonly known as foliation. They are very hard and resistant rocks, and when they are hit with a hammer, it makes a clear 'ching' sound.

Since these rocks are formed due to high pressure and temperature, so they do not provide a favourable site for the fossils to be preserved in it.

Thus, the correct answer is option (A).

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