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What does Pangaea mean? A. all earth B. big land C. original land D. one continent
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Updated 9/12/2013 12:29:39 PM
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In Greek, the word 'Pangaea' means 'all lands' . It is derived from Ancient Greek "Pan" which means "entire" and "Gaia" means "Earth". Pangaea was a super continent that existed around 200 million years ago before it split up. Their breaking up appears to have been cyclical through Earth's history.
Added 9/12/2013 12:29:39 PM
Which statement is true according to plate tectonics theory? A. The plates that make up the asthenosphere float on top of the denser lithosphere. B. The plates that make up the mantle float on top of the denser crust. C. The plates that make up the core float on top of the denser asthenosphere. D. The plates that make up the lithosphere float on top of the denser asthenosphere.
Weegy: The plates that make up the lithosphere float on top of the denser asthenosphere. User: Where is the asthenosphere found? A. lower mantle B. upper mantle C. lower crust D. upper crust Weegy: The answer is B. upper mantle User: Which wave is a body wave? A. P wave B. L wave C. B wave D. T wave Weegy: P waves is a body wave. (More)
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Asked 9/12/2013 12:02:42 PM
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hich type of wave is a secondary wave? A. body B. surface C. transverse D. subduction
Weegy: Transverse wave is a secondary wave. (More)
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Asked 9/12/2013 12:22:38 PM
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What is caused by the chemical weathering that leads to the breakdown of rocks? A. ice wedging B. thermal expansion C. exfoliation D. rusting E. abrasion
Weegy: D. User: What causes the mechanical weathering of rocks and soil? A. oxidation B. gravity C. water D. water with acids E. acids from living things Weegy: C. water Mechanical or physical weathering involves the breakdown of rocks and soils through direct contact with atmospheric conditions, such as heat, water, ice and pressure. User: In 1958 a large earthquake in Alaska produced a tsunami. What was the approximate height of the tsunami? A. 35 meters B. 57 meters C. 140 meters D. 520 meters E. 630 meters Weegy: In 1958 a large earthquake in Alaska produced a tsunami. The approximate height of the tsunami was D. 520 meters. (More)
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Asked 9/12/2013 12:48:59 PM
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