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Why Do Plants Need Sunlight?
1 / 5 · level: 🌳 Sage
A scientist covers half of a leaf with black tape so no light can reach that part. After several days, the covered half turns yellow and the uncovered half stays green. What does this tell us?
Tape makes leaves change colour randomly
The leaf needs light in order to stay green and healthy
Yellow leaves are always healthier than green ones
Only the edges of leaves need sunlight
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