Distinctions between earth’s crust and mantle are based on: a. rock types b. chemistry c. seismicity d. all of the above

D. All of the above

Explanation:

This is the correct answer because you'd have to experiment to find out more about the Earth's crut and mantle and all these options prove just that :)

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phaneritic textures in which phaner means visible so phaneritic textures are standard of impertinent volcanic rocks. these rocks crystallized gradually under the surface of earth. when the magma cools deliberately then the ores have chance to develop and produce long crystals.