[DOC] [TLE] Jeopary Questions page 1118 - THINKERS & THOUGHTS ... [PAR] THINKERS & THOUGHTS: As a hedonist, Epicurus believed this is the only good 
in life, ... LOW TECH: We don't know who invented it, but it appeared on a cart in 
Mesopotamia over 5,000 years ago .... THE GREAT LAKES: Geologists believe 
the basins of the Great Lakes were scooped out by these about 20,000 years ago
. [DOC] [TLE] The Great Lakes by Kaitlin Cushman on Prezi [PAR] May 27, 2015 ... The Great Lakes were formed about 20,000 years ago. ... so heavy and powerful 
that it gouged out the earth's surface to create lake basins. [DOC] [TLE] The Great Ice Age - USGS Publications Warehouse [PAR] U.S. Department of the Interior / U.S. Geological Survey____. The Great Ice ... the 
icecaps of Antarctica and Greenland were ... these glaciers that almost a third of 
the pres- ent land ... or more years ago, the last major ice sheet to ... Scooping out 
and widening the valleys through ... clay accumulated in the lake basins. It is. [DOC] [TLE] Glaciers - Teacher Friendly Guide to Geology [PAR] The most recent glacial advance reached its maximum extent 25-20,000 years 
ago and had an enormous impact on the Northeast. The glaciers blanketed. [DOC] [TLE] Geology | Lake Champlain Questions [PAR] But the Lake Champlain Basin was not scooped out by the ice sheets. ... 
Dolomite, formed in the Cambrian geologic period, about 500 million years ago. 
... Some geologists believe that the erosion is outpacing the uplift, however. ... 
great blue heron ... These lake segments include: the South Lake, the Main Lake 
(or Broad... [DOC] [TLE] glacier - National Geographic Society [PAR] Jan 21, 2011 ... Ice sheets reached their greatest size about 18,000 years ago. ... Glacial erratics 
differ significantly from the landscape in which they were deposited. ... These 
valleys are scooped out as a glacier scrapes through them. ... Glaciers dug 
basins for most of the world's lakes and carved much .... geologist, Noun. [DOC] [TLE] The Cuyahoga - Chapter 3 [PAR] The geological clues to these ancient events are numerous, and their sheer ... 
that roughly 500-million years ago great volcanoes spewed out their molten rock 
and ... to great ferny forests which flourished, overgrew the swamps, died and 
were ... geologists, is important to the story of the Cuyahoga because it forms a 
basin... [DOC] [TLE] Glacial Lakes Around Michigan - State of Michigan [PAR] Figure 1: The modem Great Lakes have a water surface area greater than 95,000 
... Figure 7: Advancing temporarily, the glacier almost forced Early Lake Chicago 
out of its basin. .... earnestly wondering how these lakes were formed. ... Just a 
few years ago, geologically speaking, a glacier ..... Most geologists believe the 
ice. [DOC] [TLE] The American Scholar: A Long Cold View of History - Donald Worster [PAR] Mar 1, 2005 ... Rivers flowed out of those lakes, seeking the ocean, and after each ... and the 
north-south-trending Rockies and Appalachians; deserts, basins, and ... 20,000 
years before the present (not so very long ago in geological terms), where we 
can see the last great sheet of ice covering the northern latitudes of the... [DOC] [TLE] Shifting Shorelines - Esri [PAR] Modeling the 20,000-year history of the Great Lakes ... American continent 
20,000 years ago blocked the modern outlets of the Great Lakes, other outlets 
had to be used. ... But these outlets were also changing in elevation because the 
earth was ... When ice covered much of the Great Lakes basin, water flowed out 
through... [DOC] [TLE] The Geologic History of Southern Idaho - Idaho State Historical Society [PAR] of geologic events helps locate phosphate deposits of great value to Idaho, ... So 
we can tell that lavas were poured out in the Seven Devils country in ... disturbing 
to those who believed that the world was only a few thousand years old. ...... 
About 20,000 years ago, in a wet glacial stage, Lake Bonneville filled the basin of
... [DOC] [TLE] 19 The Glacial Geology of Vermont [PAR] These advancing masses of ice also scooped out basins of

Question: Geologists believe the basins of the Great Lakes were scooped out by these about 20,000 years ago
Answer: Glaciers