[Q]: Which of the following solutions is better for the following goal:
how to sweep a floor?

[A]: hold the broom with both hands and use a sweeping motion across the floor to scoop the dirt into a dustpan

[Q]: Which of the following solutions is better for the following goal:
To remove an acorn nut from an acorn

[A]: Place the acorn onto a cutting board, hit the acorn with a meat tenderizer to crack it open, remove nut from the acorn shell

[Q]: Which of the following solutions is better for the following goal:
How to prevent your garden producing stubby carrots?

[A]: The carrots are root vegetables, meaning you are eating the roots. If you provide the carrots with enough room they will grow as long as a foot or more. You can do this by making a raised bed, with loose enough soil so the carrots are able to develop sufficiently downward.

[Q]: Which of the following solutions is better for the following goal:
Mark liquid levels in a bottle.

[A]:
Draw lines with nail polish.