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History 21 Online
OpenStudy (anonymous):

14. A______________________ is a tool used to capture the energy in sunlight. (1 point) 15. Recycling aluminum cans and taking shorter showers are two ways to practice the ________________________ of natural resources. (1 point) 16. Some plastics are made from corn. These plastics are biodegradable. This means that plastics made from corn will _______________________ than regular plastic. (1 point) (will give medal and Fan)

OpenStudy (anonymous):

@Jesstho.-. @CrazyCountryGirl

OpenStudy (wwhitlock):

Plants turn sunlight into food, which gives them energy. But you're probably looking for solar panel as the answer. People who conserve resources do things like recycle and such. The idea behind biodegradable plastic is that it will break down faster in the landfill. It also helps raise the price of corn.

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