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YouTubeSANTOSH STUDY STACK
WHY DO THE COLOURS OF LEAVES CHANGE IN AUTUMN?
Leaves /liːvz/ change colour in autumn because shorter days and cooler temperatures ˈtem.pɚ.ə.tʃɚz∕ signal trees to prepare for winter. Leaves are vibrant green during spring and summer due to a constant supply of a pigment called chlorophyll. Chlorophyll absorbs sunlight and drives photosynthesis, which is the process trees use to ...
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