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Population
Rivers
Tectonic Hazards
Energy
Agriculture
100
Relief, climate, vegetation, soil and natural resources.
What are physical factors affecting population distribution & density.
100
An area of land drained by a main river and its tributaries.
What is a drainage basin.
100
Vibrations in the Earth's crust.
What are earthquakes?
100
These resources are finite as their exploitation will eventually lead to exhaustion.
What are non-renewable resources?
100
A series of inputs, processes and outputs.
What is a farming system?
200

A model that shows changes in which sectors people work.

What is the Clark-Fischer model

200
The total length of all the streams in the drainage basin divided by the total area of the drainage basin.
What is drainage density?
200
The Earth's crust are broken up into several large, and other smaller segments.
What are plates?
200
This types of energy generates the highest proportion of the renewable types of enerrgy.
What is Hydro-electric Power? (HEP)
200

Farms use means other than selling crops.

What is farm diversification?

300
People who have been forced to leave their home country for fear of persecution for reasons of race, religion, politics, internal strife (civil war) or due to environmental disaster
What are refugees.
300
This feature forms at the mouth of the river where the river current may suddenly be reduced, allowing material to be deposited.
What are deltas?
300
The point below the Earth's surface where earthquakes occur.
What is the focus?
300
An oil spill the occurred in Prince William Sound in 1989.
What is the Exxon Valdez?
300

When farmers grow crops and raise cattle for personal use.

What is subsistence farming?

400
The process by which people and employment move away from major cities and conurbations to smaller settlements.
What is counter urbanisation?
400

When boulders and other material, which are being transported along the bed of the river, collide and break up into smaller pieces. This is more likely to occur when rivers are still flowing in highland areas.

What is attrition

400

He came up with the concept of patterns of changes in rivers.

Who is Bradshaw?

400
This type of resource is used by many people in LEDCs as a means of heating and cooking.
What is fuelwood?
400
A mineral compound containing one or more of the six main nutrients needed for successful plant growth.
What are fertilisers?
500
The increase in life expectancy, together with a falling birth rate, means that an increasingly higher proportion of a country's population live beyond 65, and even beyond 80.
What is ageing?
500
Relief, rock type, soil, natural vegetation, land use, use of river and drainage density.
What are factors affecting storm hydrographs?
500

A process by which water-saturated sediment temporarily loses strength and acts as a fluid.

What is liquefaction?

500
Improving people's standard of living and quality of life without wasting resources or spoiling the environment.
What is sustainable development?
500

The Maldives

What is the flattest country on Earth?