Anonymous
Anonymous asked in EnvironmentGlobal Warming · 1 month ago

Why do people say grass is green when clearly it's not?

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  • Liz
    Lv 6
    1 month ago

    As sunlight strikes the surface of the thylakoid, PSII arrays of chlorophyll molecules called light-harvesting complexes are waiting to snare it. These molecules are especially interested in absorbing red light of a specific wavelength. In different locations on the thylakoid, PSI arrays are on the lookout for light with a somewhat longer wavelength. Meanwhile, both chlorophyll and some other molecules, such as carotenoids, are absorbing blue and violet light.

    So why is grass green? Of all the wavelengths falling on plants, only green light is useless to them, so it is simply reflected away to our waiting eyes and cameras. Think of it! The delicate greens of spring, like the deep emerald greens of summer, result from the wavelengths that plants do not appreciate but that we humans treasure! Unlike the pollution and the waste of man’s factories, this “waste” light is surely not wasted when we gaze upon a beautiful meadow or forest, refreshing our souls with the pleasing color of life.

  • Anonymous
    1 month ago

    Why do people say the sky is blue when you're clearly an idiot?

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