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Particulate
A very small particle of liquid or solid matter.
Glossary
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Partition
Separation. Divided into two or more territorial units having separate political status.
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Pastoral lease
In Australia, a huge chunk of land is still owned by the government. Ranchers take out leases, renting the land from the government.
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PCB
An industrial compound that accumulates in animal tissue and can cause harmful effects and congenital disabilities. PCBs were banned in the united states in 1977.
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Peat
Partially decayed plant matter found in bogs.
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Peninsula
Peninsula: a strip of land surrounded on three sides by water.
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People overpopulation
The concept that many persons, each using a small number of natural resources to sustain life, add up to too many people for the environment to support.
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Per Capita Gross Domestic Product Purchasing Power Parity
GDP PPP: In this figure, annual per capita gross domestic product (GDP) – the total output of goods and services a country produces for home use in a year – is divided by the country’s population.
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Per capita income
The average amount of money earned by each person in a political unit.
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Perennial irrigation
The year-round irrigated cultivation of crops, as in the Nile Valley, following the construction of barrages and dams.
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Peru
Location: South America Official name: Republic of Peru Formation (date of independence / date current borders were established): 1824 / 1941 Capital city: Lima Population: 29.5 million / 60 people per sq mile (23 people per sq km) Total land area: 496,223 square miles (1,285,200 square km) Language(s) spoken: Spanish (official language), Quechua, Aymara Main …
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Philippines
Location: Southeast Asia Official name: Republic of the Philippines Formation (date of independence / date current borders were established): 1946 / 1946 Capital city: Manila Population: 93.6 million / 813 people per sq mile (314 people per sq km) Total land area: 115,830 square miles (300,000 square km) Language(s) spoken: Filipino, English (official language), Tagalog …
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Phosphate
Phosphate: a chemical compound used in fertilizers and detergents.
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Photosynthesis
The process by which green plants use the sun’s energy to combine carbon dioxide with water to give off oxygen and produce their own food supply.
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Physical geography
The subdiscipline of geography is most concerned with the climate, landforms, soils, and physiography of the earth’s surface.
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Piedmont
A belt of the country at an average elevation along the base of a mountain range.