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We Know that the experiment demonstrates how different states of matter can be changed and affected. Mixing a solid with a liquid to create a gas. The things behind the balloon being blown up, is the chemical reaction between the base- baking soda- and the acid- vinegar. We know that when these two things mix together the balloon gets its lift. The gas that is produced between these two ingredients is carbon dioxide also known as CO2.

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the national environmental policy act (nepa) is a united states environmental law that promotes the enhancement of the environment and established the president's council on environmental quality (ceq). the law was enacted on january 1, 1970. to date, more than 100 nations around the world have enacted national environmental policies modeled after nepa.

the dark variety, as they are not visible on the dark tree barks

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