Examlex
Computer science is the study and use of computers and computer programs.
Tephra
Rock fragments and particles ejected by a volcanic eruption which include ash, lapilli, and volcanic bombs.
Composite Volcanoes
Volcanoes characterized by explosive eruptions and composed of alternating layers of lava and volcanic ash.
Pyroclastic Material
Fragmented material ejected during volcanic eruptions, including ash, bomb, lapilli, and volcanic blocks, which varies in size, shape, and composition.
Mudflows
Rapid downhill movement of water-laden earth materials, primarily composed of fine-grained soils and clays, which can cause significant erosion and damage.
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Q83: Simplify each term, if necessary, and then
Q114: Simplify the complex fraction. <img src="https://d2lvgg3v3hfg70.cloudfront.net/TBX8671/.jpg" alt="Simplify
Q174: Put the radical expression into simplified form.