Examlex
Which of the following is the greatest cause of extinction today?
Volcanic Neck
A steep, typically butte-shaped topographic feature composed of volcanic materials that formed in the conduit within or beneath a volcanic vent and that were more resistant to erosion than surrounding materials.
Batholith
A large mass of intrusive igneous rock, often granite, that has crystallized deep in the Earth's crust.
Oceanic Settings
Environmental conditions pertaining to the ocean, including its physical, chemical, and biological characteristics.
Volcanic Islands
Islands that are formed from the eruption of volcanoes on the ocean floor, often emerging above sea level.
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