[Q]: Which of the following solutions is better for the following goal:
To permanently attach lengths of PVC pipe together

[A]: You can glue them into place

[Q]: Which of the following solutions is better for the following goal:
how to calculate water pressure

[A]: Determine the water pressure at the bottom of a full cylinder on its side. When the radius is in feet, multiply the radius by 2 and then multiply the product by 0.4333 to get the water pressure in PSI. When the radius is in meters, multiply the radius by 2 and then multiply by 1.422 to get PSI

[Q]: Which of the following solutions is better for the following goal:
how do you get rid of a tick?

[A]: burn it until it pops in front of you.

[Q]: Which of the following solutions is better for the following goal:
How to boil water.

[A]:
Get a pot that can be used on the stove. Fill with water and turn the burner on medium high. When the water starts to move and roil, your water is boiling.