Which describes pumice and obsidian? a. both pumice and obsidian are coarse-grained intrusive igneous rocks. b. pumice is a coarse-grained extrusive igneous rock, while obsidian is a fine-grained intrusive igneous rock. c. pumice is a fine-grained intrusive igneous rock, while obsidian is a coarse-grained extrusive igneous rock. d. both pumice and obsidian are fine-grained extrusive igneous rocks.
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Drag each tile to the correct location. match each trait that an organism displays to a reproductive strategy.
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The cellular plasma membrane is selectively permeable, which means some materials move through it while others cannot. the movement of materials into and out of the cell is called membrane transport. this activity will you identify the different mechanisms of membrane transport
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Which describes pumice and obsidian? a. both pumice and obsidian are coarse-grained intrusive igneo...
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