Answer: B stamen & pistil
explanation: ur welcome
I don’t understand what you mean by your question
Farming allows for the reproduction of plants, animals and grains, so farming helped reproduce the necessary ingredients to form flour, and that's why farming helped to grow the flour industry.
If you have variation, differential reproduction, and heredity, you will have evolution by natural selection as an outcome. It is as simple as that.
World war 2 caused a much larger drop in European population
