What environmental problem is the result of irrigation?

a. erosion

b. loss of biodiversity

c. overproduction

d. salinization

When all citizens of a nation share an ethnic heritage, that nation is called a (n) A. Democratic nation B. Nation-state C. Ethnic nation D. Aboriginal nation

What is the worlds most densely population continent?

Where is the Panama Canal located? A the Caribbean B Central America C South America D the West Indies

Which four countries of east africa are landlocked?

The crater, estimated to be 50,000 years old, was the result of a meteorite, a mass of stone or metal, crashing into Earth. Identify the word that the underlined appositive phrase re-names. A) Mass. B) Crater. C) Meteorite. D) Earth.

The climate of the United States can be best Described as. A. mostly arid B. mostly tundra C. Mostly Temperature D. Mostly tropical

Who is Nathaniel Greene

Who was one of the founders of the location-sharing site Foursquare? Dennis Crowley Aaron Swartz Josh Williams Scott Raymond Done answer A.

What are dry docks and what happens there? (3)

A boy wins a trip. The first thing he notices when he arrives is the cold temperatures and the thick coniferous forests. It snows during his visit. The area averages 35cm to 100 cm of precipitation per year.