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What type of glassy rock

What type of glassy rock is found in a volcano?
1. 1 answer
2. asked by Kelley
3. 705 views
How would you best describe the texture of an igneous rock that formed extremely slowly underground?Responses glassy glassy dull
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2. asked by abigail
3. 178 views
Obsidian is a glassy black igneous rock. A sample of obsidian is shown. Which type of rock forms in a similar manner as obsidian
1. 1 answer
2. 133 views
Obsidian is a glassy black igneous rock. A sample of obsidian is shown.Which type of rock forms in a similar manner as obsidian
1. 1 answer
2. 108 views
Obsidian is a glassy black igneous rock. A sample of obsidian is shown. Which type of rock forms in a similar manner as obsidian
1. 1 answer
2. 93 views
Obsidian is a glassy black igneous rock. A sample of obsidian is shown. Which type of rock forms in a similar manner as obsidian
1. 1 answer
2. 150 views
Obsidian is a glassy black igneous rock. A sample of obsidian is shown. Which type of rock forms in a similar manner as obsidian
1. 1 answer
2. 128 views
Emily finds a rock with crystals 2 cm large. Her rock _____.has a glassy texture cooled very quickly from lava was formed on
1. 1 answer
2. 50 views
A scientist observed two rock samples. Sample A was found in the bottom of a dried-up lake and contained fossils. Sample B was
1. 6 answers
2. asked by maya
3. 2,688 views
A scientist observed two rock samples. Sample A was found in the bottom of a dried–up lake and contained fossils. Sample B was
1. 1 answer
2. asked by blah
3. 277 views