Geography Flashcards
(15 cards)
Spheres of the Earth
Lithosphere, hydrosphere, biosphere, atmosphere
Soil erosion
Removal of topsoil by water or wind. If soils is unprotected by plant cover, it can even carried away by strong winds or heavy rain.
Soil salinity
Increasing levels of salt in soils caused by salty groundwaters reaching the surface of soil.
Ecological Footprint
How much nature we have and how much nature we use. It measures the demand and supply of nature.
- crop land
- forest area
- fishing grounds
Water Pollution
When pollutants are directly or indirectly released into oceans, river, lakes and aquifers without proper treatment to remover harmful substances.
Air Pollution
Contamination of the atmosphere by substances that can impact human health and welfare
Solid Wastes
Rubbish we throw in bins plus the wastes produced by industrial plants and building industry.
Alternatives:
- reuse
- reduce
- recycle
E-waste
Electronic goods and their safe disposal is a problem-made up of toxic material such as lead, mercury, etc. which ends up in plants which is bad for working conditions of the plants.
Plastic waste
Damaging to the environment. Find reusable bags.
Micro plastics and micorbeads
Found in marine environments which come from pieces of plastic broken into pieces over period of time or from cosmetics. Too small to be filtered and make their way into water cycle.
Toxic wastes
Chemicals that can cause harm or death to living organisms. Most associated with industries used in agriculture, medical procedures or cleaning establishments. Enters food chain which is harmful and cause diseases.
Human well-being indicators
-health
-resources
-employment
-education
Freedom
Happiness
Macroeconomics
Branch of economics that focuses ons economy wide issues such as economic performance, growth and inflation.
Recession
Economic growth falls for six or more months in a row
Economic problem
Economic has scarce and limited resources but humans have unlimited needs and wants
What
How
Whom
