Geography Unit 3

The first inhabitants of the area of North America now known as the United States and Canada were ________, people who moved from place to place.

• Indigenous
• Nomads
• Farmers
• Hunters

Many early settlements in North America became permanent after agriculture replaced hunting and gathering as the primary method of food production about ________ years ago.

• 1,000
• 10,000
• 3,000
• 30,000

North America's most important deepwater ship route - the ________________, was completed in the 1950s as a joint project of the United States and Canada.

• St. Lawrence Seaway
• Indiana Harbor and Ship Canal
• Mississippi River
• Sacramento Deep Water Ship Channel

___________ agriculture is a widely used method of growing food in which wild or forested land is clear cut and any remaining vegetation burned.

• Terraced Farming
• Burn and Cut
• Livestock ranching
• Slash and Burn

__________ is an ancient technique for growing crops on hillsides or mountain slopes.

• Terraced Farming
• Slash and Burn
• Livestock Grazing
• Agriculture

Land that is reclaimed by diking and draining is called a _____.

• Terpen
• Polder
• Seawork
• Turnpike

Scientists have previously said, due to the huge amount of contamination in the Chernobyl area, the exclusion zone will not be habitable for many, many years. Experts have said it will be at least _______ years for the area to become safe,

• 3,000
• 24,000
• 15,000
• 2,000

The ________ was an arm of the North Sea, but is now a freshwater lake after the Dutch altered their environment to control their water supply.

• Terpen

• St. Lawrence Seaway

• ljsselmeer

• Zuider Zee

Between 1960 and the present, the ________ lost about 80 percent of its water. Central Asian leaders now face one of the earth's greatest environmental tragedies.

• Black Sea
• Caspian Sea
• Baltic Sea
• Aral Sea

Russia's _________ was intended to supply and populate Siberia as well as deliver raw materials to the burgeoning industries west of the Urals.

• Trans Continental Railroad
• Trans Siberian Railroad
• Dog Sledding System
• Trans Siberian Highway System