How the earth systems work
• What is air made up of of
• What are the earth's ecospehere
Hydrosphere
Lithosphere
Biosphere
Atmosphere
• Different cycles of matter
Carbon Cycle
Oxygen Cycle
Hydrogen Cycle
Nitrogen Cycle
Phosphorous Cycle
• How human activities are causing changes in atmosphere over period of time?
• What are the different types of tectonic plate movements and their effects? • To what extent is it possible to use science to prevent or reduce natural disasters?
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