Human Impact On The Environment Flashcards
Why is our population so high?
Modern medicine and farming
What are the four human activities that reduce the land and resources available?
Building, farming, dumping waste and quarrying
What compound causes acid rain?
Sulphur dioxide
How is our land polluted?
Toxic chemicals from farming , burial of nuclear waste and household waste in landfill sites
How is our water polluted?
Sewage and toxic chemicals from industry
Where can carbon dioxide be sequestered?
Oceans, lakes, ponds, green plants and peat bogs
What four problems does deforestation lead to?
More methane in the atmosphere, more carbon dioxide in the atmosphere, less carbon dioxide being took in and less biodiversity
What is a peat bog?
Areas of land which are waterlogged and acidic with not a lot of oxygen so they have a lot of partially decayed plants
Why is destroying peat bogs bad for the environment?
It releases carbon dioxide into the atmosphere
