Edexcel IGCSE Biology: Double Science 复习笔记 5.1.1 Crop Plants: Glasshouses & Polythene Tunnels Crop Plants: Glasshouses & Polythene Tunnels If a plant is given unlimited light, ca...
Edexcel IGCSE Biology: Double Science 复习笔记 5.1.1 Crop Plants: Glasshouses & Polythene Tunnels Crop Plants: Glasshouses & Polythene Tunnels If a plant is given unlimited light, ca...
Edexcel IGCSE Biology: Double Science 复习笔记 4.4.2 Greenhouse Gases Greenhouse Gases A greenhouse gas is a gas that absorbs infrared radiation from the Sun so it remains trapped in the Ear...
Edexcel IGCSE Biology: Double Science 复习笔记 4.4.1 The Effects of Pollution The Effects of Pollution Human population growth globally has been increasing exponentially for the last 150 yea...
Edexcel IGCSE Biology: Double Science 复习笔记 4.3.1 Water Cycle & Carbon Cycle The Water Cycle Water molecules move between various locations – such as rivers, oceans and the atmosphere...
Edexcel IGCSE Biology: Double Science 复习笔记 4.2.3 Food Pyramids & Transfer of Energy Food Pyramids A pyramid of numbers shows how many organisms we are talking about at each level of ...
Edexcel IGCSE Biology: Double Science 复习笔记 4.2.2 Food Webs Food Webs A food web is a network of interconnected food chains Food webs are more realistic ways of showing connections betwee...
Edexcel IGCSE Biology: Double Science 复习笔记 4.2.1 Trophic Levels & Food Chains Trophic Levels & Food Chains Trophic levels Trophic levels are used to describe the feeding relation...
Intro to Polar Coordinates What are polar coordinates? Polar coordinates are an alternative way (to Cartesian coordinates) to describe the position of a point in 2D (or 3D) space In 2D, the positio...
