There are two ways to reduce net emissions of carbon dioxide: limit how much carbon dioxide is emitted into the atmosphere as we burn fossil fuels, or increase the rate at which it is absorbed. In this lesson,...
Due to the presence of dissolved gases such as carbon dioxide, rainfall is naturally acidic. The release of other gases and chemicals such as sulfur dioxide during the combustion of coal and oil can cause rainfall to...
This exercise, from the Environmental Science Activities for the 21st Century Project, is designed to introduce students to the idea that human activities can alter the chemistry or gaseous composition of the atmosphere...
This image gallery from the University of Iowa Hydroscience and Engineering group provides a look at fluid dynamics. The images in the gallery are divided into twelve differently names sets of images including ?Flow a...
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