[Q]: Which of the following solutions is better for the following goal:
To file paperwork alphabetically,

[A]: sort the paperwork utilizing the alphabet starting with A and ending with Z either by author, title, or subject and put in corresponding filing folders in the alphabetized filing cabinet.

[Q]: Which of the following solutions is better for the following goal:
To wash potatoes for frying,

[A]: place the potatoes in a colander and rinse with cool water and scrub until clean, then let drain.

[Q]: Which of the following solutions is better for the following goal:
ribbon

[A]: can wrap around pole

[Q]: Which of the following solutions is better for the following goal:
How do I prevent my mirror from developing black spots?

[A]:
Take preventative measures from creating a black spot-prone environment for your bathroom mirror. Be careful when washing your hands or face or brushing your teeth next to the mirror, and keep water in the sink as much as possible. Dry off the edges of your mirror if it comes in contact with moisture.