[Q]: Which of the following solutions is better for the following goal:
how do you put a screen protector on your phone?

[A]: place the glass directly over your screen in the same spot of your screen.

[Q]: Which of the following solutions is better for the following goal:
how do you know a dog is on its period?

[A]: check for blood by it's genitals.

[Q]: Which of the following solutions is better for the following goal:
How to build the base for your storage rack?

[A]: Use a 2X6 for the center beam and 2X4's for the side beams with the 3" screws to secure the beams at each joint then 1.5" screws to attach the floor boards with a gap for the 5 degree angled 2X6 in the back. Use a leveler to ensure all beams are straight.

[Q]: Which of the following solutions is better for the following goal:
How do I make sure worms don't get injured on the mesh grate when making a worm bin?

[A]:
You can lightly hammer in the pointy edges of the mesh into the wood to prevent them from sticking out