Which mountains are older - the Appalachians the Rockies or the Sierra Nevada?

Explain the causes and result of the Great Smog of 1952

Which economic thought relies on "Laissez-faire"? Mixed Socialism Capitalism Traditional

What is the correct term for the transfer of plants, animals, people, and diseases that began when Europeans arrived in the Western Hemisphere? 1. the Great Upheaval the Columbian 2. Exchange the Industrial 3. Revolution the Technology 4. Transfer

Which body of water is to the west of Europe? Mediterranean Sea Atlantic Ocean Pacific Ocean Black Sea just checking to see if my answer is right

Brazil is home to 20%of the known species on earth. true or false

Korea and Japan both practiced what to protect them from invasion?

The most populated region of the world is _which accounts for 60% of world population

Gaucho, vaqueiro, huaso and llanero are all another word for what? a. native b. cowboy c. cattled. house

Identify the relationship between natural resources and European settlement

Where was it illegal to own slaves prior to the civil war