What are some names of the perfect proportion in nature

The golden ratio is also called the golden mean or golden section (Latin: sectio aurea). Other names include extreme and mean ratio, medial section, divine proportion (Latin: proportio divina), divine section (Latin: sectio divina), golden proportion, golden cut, and golden number.

Explanation:

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golden section? I think..

i think the answer could be either a or b because both are part of the post production part. hopefully this you a little.

answer; interval;