Science, asked by longcharalem8, 6 months ago

according to NPC system, the three digits reveal what aspects of pollen grains​

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Answered by Aptiksen007
1

Answer:

According to NPC system each pollen grain has an arithmetic cardinal number consisting of three digits. The first digit reveals the absence or presence of aperture, and when present it mentions the total number of aperture(s) present in a pollen grain.

Explanation:

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