Answers

2015-08-15T05:14:07+05:30
Because they contain a pigment called chlrophyll in them.
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2015-08-15T06:19:53+05:30
The principal molecule that gives leaves their colouris called chlorophyll. Leaves are packed full of chlorophyll because it is a key component in photosynthesis, which lets plants use energy from sunlight to convert water and carbon dioxide into sugars
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