Lacustrine plain

The floor of a former lake where glacial meltwater accumulated and sediments washed in and settled.

Land reform

The process of breaking up large landholdings to attain a more balanced land distribution among farmers.

Land use

Land use contains the percentage shares of total land area for three different types of land use.

Landfill

A solid waste disposal method in which refuse is buried between layers of dirt to fill in or reclaim low-lying ground.

Landform

A naturally formed feature on the surface of the earth.

Landlocked

Surrounded by land, with no access to the sea.

Landsat

A series of satellites that orbit more than 100 miles above the earth. Each satellite picks up data in an area 115 miles wide.

Landscape

A portion of the earth’s land surface.

Languages

Languages provide a listing of languages spoken in each country and specify any official national or regional languages.

Laos

Location: Southeast Asia Official name: Lao People’s Democratic Republic Formation (date of independence / date current borders were established): 1953 / 1953 Capital city: Vientiane Population: 6.4 million / 72 people per sq mile (28 people per sq km) Total land area: 91,428 square miles (236,800 square km) Language(s) spoken: Lao (official language), Mon-Khmer, Yao, … Read more

Lassa fever

Lassa fever is a viral disease carried by rats of the genus Mastomys. Endemic in portions of West Africa.

Laterite

A material found in tropical regions with highly leached soils.

Latin America

Those parts of the American continent where the official language is Spanish or Portuguese; often mean Mexico and Central and South America.

Latvia

Location: Northeast Europe Official name: Republic of Latvia Formation (date of independence / date current borders were established): 1991 / 1991 Capital city: Riga Population: 2.2 million / 88 people per sq mile (34 people per sq km) Total land area: 24,938 square miles (64,589 square km) Language(s) spoken: Latvian (official language), Russian Main religions: … Read more

Lava

Magma that has reached the earth’s surface.