Gravitational Fields Generally, a?force field?is a region of space in which an object will experience a?force A?gravitational field,?therefore, is a region of space in which any object with?mass?ex...
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Edexcel IGCSE Biology: Double Science 复习笔记 2.5.2 Factors Affecting Photosynthesis Limiting Factors Plants do not have unlimited supplies of their raw materials so their rate of photosynt...
Edexcel IGCSE Biology: Double Science 复习笔记 2.5.1 Photosynthesis Photosynthesis Theory Photosynthesis is an?endothermic?reaction in which energy from sunlight is transferred to the chloro...
Edexcel IGCSE Biology: Double Science 复习笔记 2.4.5 Active Transport Active Transport Theory Active transport is: The movement of particles through a cell membrane from a region of l...
Edexcel IGCSE Biology: Double Science 复习笔记 2.4.4 Practical: Osmosis Practical: Factors that Influence Osmosis Osmosis is the diffusion of water molecules from a?dilute solution?(high con...
Edexcel IGCSE Biology: Double Science 复习笔记 2.4.3 Osmosis Osmosis Theory All cells are surrounded by a cell membrane which is?partially permeable Water?can move in and out of cells by osm...
Edexcel IGCSE Biology: Double Science 复习笔记 2.4.2 Practical: Diffusion Practical: Factors that Influence Diffusion Diffusion is the?movement of molecules?from a region of?higher?concentra...
Edexcel IGCSE Biology: Double Science 复习笔记 2.4.1 Diffusion Diffusion Theory Diffusion is the?movement of molecules?from a region of its?higher?concentration?to a region of its?lower?conc...
