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Ecosystem. — BIO BOTANY STD 12 — Question

Tamilnadu BoardEnglish MediumSTD 12BIO BOTANYEcosystem.2 Marks
Question
Pointout the factors that affects the photosynthetically active radiation.
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Answer

PAR is not always constant because of clouds, tree shades, air, dust particles, seasons, latitudes and length of the daylight availability.

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