Geography Flashcards

(41 cards)

1
Q

Development

A

a process of change in a country in terms of its economic growth, use of technology and quality of life

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2
Q

Development indicator

A

these measure how developed a country may be. can either be social or economic

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3
Q

literacy rate

A

the percentage of people in a population who can read and write

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4
Q

gross national income

A

total income earned by a country in a year

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5
Q

birth rate

A

number of births per 1000 people each year

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6
Q

deforestation

A

the removal of trees from rainforests and wooded areas

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7
Q

desert

A

a desert is a barren area of landscape where little rainfall occurs and, consequently, living conditions are hostile for plant and animal life

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8
Q

sustainable

A

the ability to maintain a process over time whilst doing little or no harm to the environment

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9
Q

what are the 7 continents

A

africa
south america
north america
europe
antarctica
australia&oceania
asia

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10
Q

overpopulation

A

as population grows, trees are cleared to make room for settlements

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11
Q

logging

A

trees are felled to harvest timber for profit. Roads must also be built to access logging sites, requiring further deforestation

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12
Q

farming and agriculture

A

trees are cleared to create crops and grazing livestock

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13
Q

mining

A

trees are cleared to dig for valuable minerals such as coal and gold

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14
Q

energy development

A

forests are flooded to build dams for hydroelectric power (HEP) and areas are razed to make way for biofuel crops

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15
Q

give 3 impacts of using fossil fuels

A

increased drought in the amazon
heatwaves and water shortages in europe
more frequent and severe tropical storms in South-east Asia

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16
Q

what type of air sinks

A

hot dry air

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17
Q

what does hot dry air cause

A

cloud free conditions

18
Q

how are rainfall levels

A

low and unpredictable

19
Q

what is the average of rainfall per year

A

less than 250mm per year

20
Q

what is the weather like during the day in a desert

21
Q

what is the weather like during the night in a desert

22
Q

what can daily temperatures range between in summer

A

35-40 degrees

23
Q

what have desert plants had to adapt to

A

the intense heat and dry soil

24
Q

examples of succulents

A

cacti and aloe

25
what are cacti and aloe
succulents
26
what can succulents store
water in their fleshly leaves or stems
27
what do succulents leaves do
help to minimise water loss through transpiration
28
how are succulents leaves like
small and waxy
29
what can some succulents have
toxins and sharp spines
30
what do the toxins and sharp spines do
deter thirsty animals
31
what can plant roots either be
long and deep short and shallow
32
what do the long and deep plant roots do
reach underground water supplies
33
what do the short and shallow plant roots do
collect surface water when it rains
34
what have desert animals adapted to
intense heat, a lack of water, sandy surfaces and cold nights
35
5 adaptations of a camel
thick fur wide feet long eyelashes hump closing nostrils
36
why do camels store fat in their hump
to sustain them when food and water are scarce
37
what do camels long eyelashes protect them from
sandstorms
38
what do camels fur protect
against sunburn in the intense heat and to help stay warm when temperatures decrease at night
39
what do the thin hair on stomach help camels do
help heat escape from their body and to keep it cool
40
what does the dry dung help a camel with
to help maximise the amount of water in their body when rainfall levels are low
41
why is it cold at night
no clouds to stop heat loss