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What is a fuel? A substance that burns in oxygen to produce heat
Name the products present in fire Fuel, heat and oxygen
How are fossil fuels formed? From the remains of organisms that lived millions of years ago
What is a hydrocarbon? Compounds made up of hydrogen and carbon
What is the greenhouse effect? When heat from the sun gets trapped in the carbon dioxide and other gasses. The temperature of the earth rises . Levels of carbon dioxide are rising due to the burning of fossil fuels
How is acid rain formed? When carbon dioxide dissolves in the atmosphere to form acid witch has a pH of around 5.5
What is nitric acid? When car exhaust exit oxides of nitrogen. When they dissolve in water vapour in the atmosphere.
What type of stone does acid rain attack? Limestone
What other things does acid rain attack Tress and animals
Created by: Chimozukee