C9 - Atmosphere Flashcards
The earths early atmosphere was mostly _________ , with _____ and _____ increasing due to volcanic activity
Carbon dioxide
Nitrogen
Water vapour
Why did carbon dioxide levels in the early atmosphere reduce (2 reasons)
- Carbon dioxide dissolved into the oceans and formed carbonate rocks
-Plants and Algae converted carbon dioxide into oxygen via photovoltaic
What is the greenhouse effect?
Greenhouse gases absorb longer wavelength radiation that is reflected off off the earths surface
What are the 3 greenhouse gases?
Carbon dioxide
Methane
Water Vapour
What is global warming
The rise in global temperature
What is a carbon footprint
The measure of how much carbon dioxide is released into the atmosphere as a result of your actions
What are the four atmospheric pollutants
Carbon monoxide
Sulphuric dioxide
Nitrogen oxides
Carbon particulates/soot
Effects of the atmospheric pollutant ‘carbon monoxide’
It binds to Haemoglobin in the red blood cells, reducing the oxygen they are able to transport around the body
Carbon monoxide is dangerously because
It is odourless and colourless
Sulphuric dioxide causes ____ _____ which corrodes metals and erodes stones
Acid rain
Nitrogen oxides cause
Respiratory problems
Carbon particulates/soot causes
Health issues
Global dimming
