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Searched for: Key Concept is Ecology
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The amount of carbon dioxide in the atmosphere has been increasing for many decades now, mostly due to the burning of fossil fuels by mankind. In this exercise, students will track their daily activities, and and...
Most people are aware that plants undergo photosynthesis, a process by which they convert sunlight and carbon dioxide in sugar and water. But not as many realize that plants also undergo respiration, which is the...
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 website contains an article about a natural nuclear reactor, which was located in Gabon, West Africa. The article contains quotations from researchers plus information about the discovery and how a natural reactor...
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...
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