1GB3 Flashcards
1
Q
How does diversifying the energy mix increase energy security?
A
- less reliant on other sources
- less affected by shortages
- if renewables then lasts longer than fossil fuels
2
Q
What is the relationship between biosphere and the soil?
A
- source of organisms such as. earthworms improve soil quality and structure
- leaf fall = litter which decays to make humus = nutrients for plant growth
3
Q
How are rainforests protected?
A
- CITES = help endangered species
- REDD = protect forest by paying funds
4
Q
What are conventional oil and gas reserves?
A
- ecologically sensitive areas being exploited for reserve such as the Arctic
5
Q
What are unconventional oil and gas reserves?
A
- exploited with more expensive methods and specialist technology such as hydraulic fracking
- tar sands and shale gas
6
Q
What is ecological footprint?
A
- how much land is needed to support an individual’s lifestyle
7
Q
What are goods and services provided by biomes?
A
Goods:
- food, wood, water, medicines, rubber
Services:
- climate regulation, atmospheric gas regulation, habitats, tourism, nutrient cycling, humus for fertile soil, forests, marshes and mangroves that act as a natural flood defence
