observe the given diagrams and answer the following questions. 1.The manmade materials are shown in the diagram. What effect can they have on the environment? 2. What preventive measures can we take to avoid the ill effects?
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The A horizon is the top layer of the mineral soil horizons, often referred to as 'topsoil'. This layer contains dark decomposed organic matter, which is called "humus".
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Heat is the form of energy that is transferred between systems or objects with different temperatures (flowing from the high-temperature system to the low-temperature system). Also referred to as heat energy or thermal energy. Heat is typically measured in Btu, calories or joules.
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