A force that divides people and countries.

A sudden increase in the birth rate of a population.

Sweden

Eurasia

A force that unites people and countries.

The study of human population, including how they change due to births, deaths, aging, and migration.

Pollution that starts in one country and crosses boundaries into other countries. Generally, transboundary pollution is carried by wind or water.

What is the worlds largest country?

A supranational organization through which a number of European work together on shared issues.

The average number of children a woman in a given population will have in her lifetime.

A form of energy that comes from nuclear reactions. Radiation has no smell or taste but it can be very harmful to living things.

A long narrow stretch of land that is surrounded by water on three sides.

A form of international cooperation in which countries give up some control of their affairs as they work together to achieve shared goals.

The total fertility rate needed for a population to replace itself.

1986

Almost 2,500 miles.

A feeling of belonging to a group that shares the same culture or way of life.

The average age that a person in a given population can expect to live to.

Germany, Poland, Czech Republic

France, Italy, Switzerland, Liechtenstein, Austria, Slovenia.