A scientist is designing a device that will kill harmful cells in the human body using high-energy waves. Which type of wave would be most effective in accomplishing this goal? X-rays would be the best choice because they have a long wavelength and a low frequency. Radio waves would be the best choice because they have a long wavelength and a low frequency. Gamma rays would be the best choice because they have a short wavelength and a high frequency. Infrared waves would be the best choice because they have a short wavelength and a high frequency.

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Photosynthesis

Plants have a capacity that we humans can only imagine— the ability to produce food from sunlight. Sure, we can prepare some dishes that we can savor on, but it become possible because of the plants (as they serve as a producers of all the raw materials required). Photosynthesis is the method of assembling carbohydrates with the aid of sunlight.