What is the definition for isthmus?

Long, but narrow, topographical depression

Formed by sediment from plant and animal remains

Narrow strip of land connecting two landmasses

Group of islands

1. Describe the major sources of air pollution, and list strategies for minimizing their effects.

What is the only country in Latin America that shares a border with the United States?

A detailed flow diagram for biomass energy

Write seven sentences about earths layers (use chemical and physical properties)

Describe the three kinds of plate boundaries.

What are some ways that slate is used?

What is deflation in earth science?

In Wegener's view, what caused mountain ranges to form? A) volcanoes B) Earth shrinking C) meteorite impacts D) continents colliding

Which of the following is TRUE? A. Customs unions require the creation of a common currency. B. The European Union is a shallower and broader form of integration than NAFTA. C. A common market is more deeply integrated than a customs union. D.

What percentage of water vapor is found in the air? a. 0 to 1 percent b. 0 to 4 percent c. 0 to 8 percent d. 0 to 10 percent