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1329092
Environmental Studies
Descrição
Mapa Mental sobre Environmental Studies, criado por Josh Cork em 22-09-2014.
Mapa Mental por
Josh Cork
, atualizado more than 1 year ago
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Criado por
Josh Cork
mais de 11 anos atrás
15
1
0
Resumo de Recurso
Environmental Studies
Conditions for life on Earth
How Earth supports life
Oxygen allows more efficient respiration
Allows complete breakdown of glucose
Nitrogen allows protein synthesis
Ideal distance from sun
Suitable temperature
Liquid water
Habitat for marine species
Increase enzyme efficiency
Magnetic field protects planet from ionizing radiation
Reasons for deforestation
Farming
Clear land for ranches
e.g Cattle
Make space for biofuel farming
Urbanisation
Growing population
Use as raw material
Timber
Fuel
Wood
Atmospheric composition
Pre-life
Oxygen 0%
CO2 18%
Nitrogen 80%
Hydrogen 1%
Present Day
Oxygen 21%
Nitrogen 78%
Hydrogen >1%
CO2 0.038%
Less carbon dioxide means the Earth is cooler than it was millions of years ago
Water Vapour- Variable
More oxygen due to photosynthetic organisms
Atmospheric maintainance
Photosynthesis
Adds Oxygen
Removes carbon dioxide
The ozone later
O + O2 ⇌ O3
Dynamic equilibrium
Utilizes UV radiation
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