Which describes pumice and obsidian?

A.
Pumice is a fine-grained intrusive igneous rock, while obsidian is a coarse-grained extrusive igneous rock.

B.
Both pumice and obsidian are coarse-grained intrusive igneous rocks.

C.
Both pumice and obsidian are fine-grained extrusive igneous rocks.

D.
Pumice is a coarse-grained extrusive igneous rock, while obsidian is a fine-grained intrusive igneous rock.

Question

Which describes pumice and obsidian?	
 
 A.
Pumice is a fine-grained intrusive igneous rock, while obsidian is a coarse-grained extrusive igneous rock.
 
 B.
Both pumice and obsidian are coarse-grained intrusive igneous rocks.
 
 C.
Both pumice and obsidian are fine-grained extrusive igneous rocks.
 
 D.
Pumice is a coarse-grained extrusive igneous rock, while obsidian is a fine-grained intrusive igneous rock.

anonymous · Answer

this is last question and after words i will tell u my score

dqswag · Answer

ok

dqswag · Answer

Both pumice and obsidian are fine-grained extrusive igneous rocks.

dqswag · Answer

C

dqswag · Answer

$\Huge \color{ Blue}{ Good~Luck}$

anonymous · Answer

okay i got 64% and i need 80%

anonymous · Answer

thats okay i can take it againlater thanks

dqswag · Answer

$\large\color{ Blue}{ ???~Did~you~have~questions~early~than~that}$

dqswag · Answer

$\Large\color{ Blue}{ I~answerd~good~I~don’t~understand}$