The colour red
Every secondary school pupil knows that leaves are green because chlorophyll, the pigment plants use in photosynthesis, is green. So why are many leaves, such as those on this liquidambar, scarlet for at least part of their lives?
Every secondary school pupil knows that leaves are green because chlorophyll, the pigment plants use in photosynthesis, is green. So why are many leaves, such as those on this liquidambar, scarlet for at least part of their lives?
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