part 2 Flashcards
(13 cards)
What is a flood?
when water spreads beyond its boundries
What are the causes of floods?
- Deforestation
- saturated land
- rainfall
- urbanisation
what are the solutions to floods
- drainage systems
- planting trees
- river and flood plain restoration
what is deposition
materials dropped or settles from a moving river
what is a linear economy and how can we make it more sustainable
Linear economy is an economy in which finite resources are extracted to make products that are used then thrown away
* move to circular economy (3 r’s)
* renewable energy
name 4 challenges humans face in cold environments
- transportation
- waste management
- harsh climates
- remoteness/terrain
How have a polar bear, penguin and artic poppy adapted to live in cold environments?
Polar bears - thick fur for insulation and camoflage
Penguins - huddling behavior for warmth
Artic poppies - hairy stems and ability to track sun for photosynthesis
3 ways humans can reduce the landfill problem
- buy less
- cell or donate unwanted items
- explore alternative disposal methods
How is anaerobic digestion affective for getting rid of waste
microorganisms (in absence of oxygen) break down organic matter to produce biogasses
what are the effects of flooding?
- loss of life
- property damage
- environmental damage
- spread of disease
4 ways humans use cold environments
- tourism
- fishing
- research
- resource extraction
what is a cold environment
a region characterised by consistently low temps
how does waste shape the land?
- soil and water contamination
- air pollution
- habitat destruction
