What is the most important external stimulus needed for a plant to carry out photosynthesis? A. Sunlight B. Soil C. Fertilizer D. Warmth

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asked May 7, 2022 180k views

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Bobz · Answer 1 · 2022-05-14T01:13:33+0000

Answer:

A. Sunlight

Step-by-step explanation:

The chlorophyll in plant cells abosrb sunlight to photosynthesise. It is needed because all energy on earth comes from the sun. Energy is never created or lost, it simply changes forms.

What is the most important external stimulus needed for a plant to carry out photosynthesis? A. Sunlight B. Soil C. Fertilizer D. Warmth

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