Page 152 - ICSE GEOGRAPHY
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Perennial: Lasting or existing for a long or apparently Alps: A large mountain range in Europe
infi nite time Altitude: The height of an object or point in relation
R to sea level or ground level
Amenity: A desirable or useful feature or facility of a
Radial: Diverging in lines from a common centre
building or place
Rearing: Breed and raise animals
Ancient civilisations: The fi rst settled and stable
Relief: Diff erence in height from the surrounding
communities that became the basis for later states,
terrain
nations and empires
Ridge: A long, narrow hilltop or mountain range
Andes: A major mountain system of South America,
S extending for about 7250 kilometres
Apex: The top or highest part of something
Saddle: A low part of a ridge between two higher
points or peaks Attribute: A quality or feature regarded as a
characteristic or inherent part of someone or
Sea level: The height of the sea surface averaged over
all stages of the tide over a long period of time something
Slope: The increase in elevation in some unit of B
measure over the horizontal distance measured in
Basic amenities: Things that should be provided
the same units
by the government as they are considered to be
South Col: A sharp-edged col between Mount
essential to make life easier and more pleasant for the
Everest and Lhotse, the highest and fourth highest
common people
mountains in the world, respectively
Biodiversity: The variety of plant and animal life in the
T world or in a particular habitat, a high level of which
is usually considered to be important and desirable
Topography: The arrangement of the natural and
artifi cial physical features of an area Birth rate: The number of live births per thousand of
population per year
Trail map: A map used to aid in navigation and can
symbolize an assorted amount of information of a C
particular area or contain only a single representation
Census: An offi cial count or survey, especially of a
of the data it represents
population
Tributary: A river or stream fl owing into a larger river
Civic amenities: The facilities provided by the
or lake
governments and municipal corporations for the
U benefi t of the common people
Upstream: In the opposite direction from that in Congestion: The state of being congested
which a stream or river fl ows
D
Chapter 2 - Population Dynamics Death rate: The ratio of deaths to the population of a
particular area or during a particular period of time,
A usually calculated as the number of deaths per one
thousand people per year
Age composition: The proportionate numbers of
persons in successive age categories in a given Dependent: A person who relies on another, especially
population a family member, for fi nancial support
AIDS: A disease in which there is a severe loss of Developing country: A poor agricultural country that
the body’s cellular immunity, greatly lowering the is seeking to become more advanced economically
resistance to infection and malignancy and socially
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