5. Infer which would last longer, the engraving in a headstone made of marble, or an identical engraving in a headstone made of granite.-

The engraving done in a headstone made of granite would last longer

The Engraving done on a headstone made of marble wouldn't last longer because unlike granite, marble is a metamorphic rock composed mainly of calcium carbonate which readily dissolves in rainwater over time due to the slightly acidic nature of rain water.

Granites are Igneous rocks formed from the solidification of molten magma and does not readily dissolve in rainwater overtime just like Marble.

Therefore we can conclude that the engraving done in a headstone made of granite would last longer when compared to that done on headstone made of marble.

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engraving in a headstone made of granite

Explanation:

An engraving in a headstone made of granite will definitely last longer compared to that of marble.

Marble is a low grade metamorphic rock whereas granite is an igneous rock which forms from the solidification of magma.

Therefore, granite will last more longer.

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