science
Grade-4-
Easy
Question
Which of the following rock has a smooth texture?
Granite
Pumice
Basalt
Obsidian
Granite
Pumice
Basalt
Obsidian
Hint:
Obsidian rock has a smooth texture.
The correct answer is: Obsidian
- The obsidian rock has a smooth texture.
- It has a glassy surface that seems like a laminated layer.
- It is dark in color and is igneous rock.
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