Pumice, obsidian, and basalt glass all have what kind of texture?
Mason AllenThese are igneous rocks.
Pumice is a type of igneous rock that has void volume inside of it and is porous.
Pumice and obsidian are both glassy (amorphous, non-crystalline, and having non-discernible mineral proportions), but obsidian is denser than pumice.
Basalts are fine (granular) extrusive igneous rocks that are part of the extrusive-fine igneous rock group. They contain feldpars, highly mafic minerals, and few dark minerals.
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Benjamin AwadThey all have a glassy texture.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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