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Economic sectors, ENERGY SOURCES - Coggle Diagram
Economic sectors
TERTIARY SECTOR
It is made up of services.
Is the most important sector
a lot of activites such as
healthcare
transport
Transport moves goods and people from one place to another.
3 main types of transport
land
maritime
air
education
tourism
In the 1950s, there was a big boom in tourism as it started to become more accessible to everyone.
Trade
Trade is buying and selling goods to meet the needs of population.
Types of trade
Domestic trade
Wholesale
Retail sale
International trade
Trade flows
Trade flows are the movement of goods and services between buyers and sellers.
Types of trade flows
Trade flows of manufactured products
Information flow
Capital flows
Raw materials flows
The balance of trade
Positive: if exports are higher than imports
Negative: if imports are higher than exports
The balance of payments
Positive (surplus): when a country's income is higher than itsexpenditure
Negative (deficit): when a country's expenditure is higher than its income.
Characteristics of tertiary sector activities
They are heterogeneous
They are impossible to store
They are expanding in all countires.
Classification of tertiary sector activities
Public services
Distribution services
Business services
Consumer services
PRIMARY SECTOR
livestock
Livestock farming consists of raising animals for food or economic purposes
Animals are used for
source of labour
breeding
2 main types
Extensive livestock farming
Animals graze
abundant lands
Intensive livestock farming
developed countries
large investments but productivity is high..
Agriculture
Agriculture began in the Neolithic age
An soon became the main activity in the world
In the 18th century
use of fertilisers,
machinery.
Physical factors
Climate
grow better in one climatic zone than in other
Landscape
Relief (altitude and the gradient of the land)
influences agriculture
Agriculture normally takes place on plains or valleys.
Soil
Plants need soil with certain characteristics.
Specialization
Mechanization
Characteristics of commercial agriculture
Commercial agriculture effects
Costs
Fertilizers polute
Soil erosion may occur
Quality of food may be in danger sometimes.
Benefits
Efficient marketing
– Lower prices
– Specialized transportation
Subsistence agriculture
3 main agricultural techniques
Extensive dryland farming
three-year crop rotation
Irrigated rice farming
Rice produces high profits and can feed many people.
Slash-and-burn shifting cultivation
cutting and burning forest
Fishing
catching aquatic animals.
Types of fishing
Coastal fishing
Offshore fishing
Inshore fishing
Forest industry
Forestry
the management and cultivation of forests and their resources
Uncontrolled exploitation of trees
serious threat for the earth
Silviculture
Is like the Uncontrolled exploitation of trees but is under control
SECONDARY SECTOR
Raw materials
are materials found in nature
Can be transformed in to usable products by some industrial processes
from animals
wood, animal hide, fish...
from animals
They can be metallic minerals
from plants
(cotton, wood...)
Mining
Minerals come from underground and opencast
Tunnels need to be dug
Sources of energy
comes from natural resources.
4 types of energy
Non-renewable
are limited
Alternative energy
still being developed,
Renewable energy
They are inexhaustible
Traditional energy
most commonly used
TRADITIONAL ENERGY SOURCES
Coal
fossil fuel
Oil
I has a high calorific value.
Natural gas
Is used as fuel
Hydroelectric power
good for the enviorment
Renewable
Nuclear energy
Produce a lot of energy
But is so bad for the enviorment
ALTERNATIVE ENERGY SOURCES
5 types
Solar energy
limitless energy and totally clean
Bioenergy
is obtained from burning biomass
Wind energy
is renewable but the winds create a lot of noise
Geothermal energy
uses the heat from inside the Earth
Sea energy
take advantadges of sea moviments
Industry
activities that transform raw materials into consumer goods
It can be
Intermediate goods
used or consumed immediately
(a chair, a loaf of bread, a car...
Finished products
products used with other components to make a finished product.
metal piece of a car, piece of wood to make a chair
ENERGY SOURCES