Flashcards in 6.1- Resource Mangement Deck (18)
What are biotic recourses?
Living resourses obtained from the biosphere
What are abiotic recourses?
Not living resources that are obtained from the lithosphere
What are renewable resources?
Resources that are potentially inexhaustible and will never run out
What are non renewable rescourses
Recourses that cannot be remade because it would take millions of years
Why could oil consumption lead to conflict?
It is it high demand and is finite to will run out soon
What are the advantages of wind energy?
Fast growing resource
Accounts for 3% of global energy
What are the disadvantages of wind energy?
Offshore wind farms require expensive transmission lines
What are the advantages of coal?
It is cheap
Coal is universally used around the world allready so there isn't a start up cost for producing energy
What are the disadvantages of coal?
Coal forms co2 when burned and leads to global warming
Mining impacts the surrounding area
What is an energy mix?
The proportion of different energy sources used by a country
Why is India's energy demand high in coal?
It has to supply energy to 1.2 billion people and it has huge coal fields and oil reserves
Why does Iceland use geothermal energy?
It only has a population of 320,000 people and doesn't have any foossik fulesm importing them is expensive so it uses geothermal energy instead
How are tar sands in Canada being exploited?
Extracting oil from the ground using natural gas
What is the impact of tar sands in Canada being exploited?
Broken pipelines leave humans exposed to hard chemicals
Large volumes of water are wasted
Vegetation has to be cleared which causes causes abloss if habitats
What is fracking? UK
Drilling down into shale rocks and then injecting fracking fluid to extract natural gas
What are the impacts of fracking?
Subsidence in houses
It creates lots of dirty freshwater which can damage ecosystems
What is nuclear energy?
Power plants produce heat which drives turbines and produces electrical energy