In active transport, materials move from an area of high concentration to an area of lower concentration (goes down the concentration gradient) and it requires or uses energy in the form of ATP (adenosine triphosphate)
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Evolution is is the change in the characteristics of a species over several generations and relies on the process of natural selection. it is reffered to as a theory because it is an incontrovertible fact that organisms have changed, or evolved, during the history of life on Earth.
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They provide energy and store energy
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Those should be the two main functions of carbohydrates. I hope this helps! Sry if I get it wrong! :)
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A green roof can increase building efficiency and help reduce electricity costs.
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I hope this helps!
