Which part of the wheat plant is ground to make flour

Explanation:

wheat berry

Wheat flour is made by taking the wheat berry, removing the bran or outer shell and grinding the seed into a flour-like consistency. This type of flour is called refined or white flour. Whole wheat flour is made by grinding all of the whole wheat berry, including the bran and seed.Apr 1, 2020

:endosperm

According to 4 sources

What part of the wheat plant is ground to make flour? The larger part is called the endosperm. This is the starchy store of food which the germ feeds on while it grows. The endosperm is the white flour we use to make many products.

Explanation:

the answer is b)3/8x+1