A leaf is an above ground organ.its main functions are photosynthesis and gas exchange.a leaf is often flat,soil absorbs the most light,and thin.so that the sunlight can get to the chloroplasts in the cells.
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From @afrin70
A leaf is an above ground organ.its main functions are photosynthesis and gas exchange.a leaf is often flat,soil absorbs the most light,and thin.so that the sunlight can get to the chloroplasts in the cells.