Edexcel IGCSE Geography 复习笔记 4.1.1 Classification of Economic Sectors & Employment The Four Economic Sectors An economic activity is the producing, purchase or selling of goods and services...
Edexcel IGCSE Geography 复习笔记 3.3.3 Planning Long Term Risk Assessments & Hazard Mapping Long Term Planning Occurs after the hazard event Looks back at the event and evaluates what could be ...
Edexcel IGCSE Geography 复习笔记 3.3.2 Response to Earthquakes Short-term Response & Relief The emergency response are the actions taken immediately after a hazard event such as an earthquake: ...
Edexcel IGCSE Geography 复习笔记 3.3.1 Preparing for Earthquakes Warning & Evacuation Accurate prediction of earthquakes is not currently possible but monitoring is Many different methods of mo...
Properties of Water NOS: Use theories to explain natural phenomena; the theory that hydrogen bonds form between water molecules explains the properties of water When scientists observe natural phen...
Edexcel IGCSE Geography 复习笔记 3.2.3 Impacts of Natural Hazards Impacts of Natural Hazards Natural hazards are when they affect people; they have both short and long term impacts Short & Long...
Hydrogen Bonds Hydrogen bonding plays an important role between many biological molecules Some key functions include: Dissolving of solutes in water The cohesion and adhesion of water molecules The...
Metabolism Metabolism is a catch-all term used to describe all the chemical reactions that take place within cells and organisms Metabolism can be thought of as the chemical reactions of life The m...
Molecular Biology The substances of life There are 118 elements in the Periodic Table Only the first 92 elements occur in Nature ; the rest are artificially-synthesised in laboratories and are very...
