A) Developing urban cities B) Mining for minerals C) Clearcutting forests D) Building permanent roads
A) Mid 19th century B) Early 17th century C) Early 20th century D) Late 18th century
A) Deeper freezing of cleared soils B) Natural erosion from wind C) Over-grazing by livestock D) High levels of rainfall
A) They were littering the tilled land B) To prevent soil flooding C) To use them for house foundations D) To create borders for property
A) 1775 to 1825 B) 1725 to 1775 C) 1620 to 1670 D) 1875 to 1925
A) 240,000 B) 380,000 C) 40,000 D) 500,000
A) 20 million B) 10 million C) 60 million D) 40 million
A) They became industrial centers B) They were converted to desert C) They became paved suburban zones D) They reforested
A) 6 feet in diameter B) 4 feet in diameter C) 2 feet in diameter D) 1 foot in diameter
A) Failing to meet structural standards B) Extensively popular C) Prohibited by law D) Underused
A) They are perfectly square B) They are pretty and colorful C) They are fireproof D) They are lightweight
A) Construction of new roads B) New mining operations C) Plowing fields after the winter freeze D) Heavy floods moving rocks
A) Deep within subterranean caves B) Exclusively in river beds C) At or near the Earth's surface D) In man-made mining quarries
A) Terminal moraines B) Clearance cairns C) Subsoil deposits D) Glacial erratics
A) Ocean sediment accumulation B) Tectonic plate shifts C) Volcanic activity D) Glacial deposition
A) Lodgment till B) Glacial erratics C) Ablation layers D) Terminal moraines
A) New England Ice Sheet B) Wisconsin Ice Sheet C) Laurentide Ice Sheet D) Upper Midwest Glacier
A) Glacial erratics B) Terminal moraines C) Clearance cairns D) Ablation drifts
A) By steam-powered machinery B) Exclusively by hand C) Using hydraulic lifts D) By animal-drawn plows
A) Soil drill B) Stone crusher C) Rock picker D) Earth harvester
A) Tilling the soil for planting B) Watering the crops C) Picking surface rocks from the soil D) Measuring soil acidity
A) Deep underground mines B) Topsoil or subsoil C) Volcanic vents D) Underwater dredging |