What could you make or do to make sure your bean plants stay upright and don’t fall down?

I got this off of g o o g l e

Explanation:

I put pairs of small fence posts (one on each side) down the row. I then tied twine to the fence post and ran it on either side of the plants. This keeps them from falling over to the side. If you plant thick enough they won't fall to the front or back.

. ph changes the ability of them he enzyme to dissolve in water.

i think the answer is a.keratin is the pigment responsible for skin color.