what naturally occurring gas in the stratosphere that is considered a pollutant in the lower atmosphere

What type of climate is California

Explain how the rivers are useful to people in those countries with the highest population density

Which Southern African country is the largest producer of gold and platinum? Botswana Zimbabwe Republic of South Africa Namibia

3. The Lowell system was Samuel Slater's strategy of his families and dividing factory work into simple tasks. true or false?

Where do convection current occur in the earths interior

Which region consists of a central place and the surrounding places affected by it?

Which statement about the economy of France is not true? Paris is a major manufacturing center. Marseille is a busy seaport on the Mediterranean coast. Farming is the major activity in the Alps. World-famous wines are produced in the Bordeaux region.

What is agreed upon by scientist as the most likely cause of the final extinction for the dinosaurs?

As a result of a mountainous terrain, all of the following occurred except: A independent Greek city-states arose B large empires developed C trade and outdoor markets developed D outdoor civic life flourished

Why do cities form and how have they affected culture?