Write down the ways to increase how often solute particles come in contact with other solvent particles.

actually the answer is 50% I just got it wrong when I picked 0%

Explanation:

Hope this is helpful : )

the positions which points up in upward carbon and down in downward carbon are axial

and vice versa holds true for equatorial positions

so the correct answer with labelled diagram will be

a corroding iron, if that's one of your choices