How to clean a phone case
Take your phone out of the case.
Never attempt to clean your phone case with your phone inside of it. Water could get into the cracks and cause damage.

Set your phone somewhere it won't get wet. If your phone case has both a plastic and silicon component, separate the two parts.

How to calculate a ph
Know what ph actually is.
The ph is the concentration of hydrogen ions in a solution. A solution with a high concentration of hydrogen ions is acidic.

A solution with a low amount of hydrogen ions is basic, or also known as alkaline. Hydrogen ions, also known as hydronium, are written shorthand as h or ho.

How to reheat french fries
Pre-heat the oven to 450 degrees fahrenheit (232 c).
Cover an oven-safe rectangular metal tray with tin foil.
Tin foil is also known as aluminium foil.

Covering your baking sheet with tin foil will ensure that your fries don't stick to the sheet when they are reheating and it makes cleanup much easier. Put your french fries on the baking sheet.

How to make sicilian baked tuna
Make sure you have all of your utensils (see things you'll need) out and ready to go before you begin!
All of your utensils should be cleaned before use and laid out where you can easily get to them.
Preheat the oven to 450 f (232 c) after setting up your utensils.
Finely chop the garlic and anchovies.
Cut the tuna into equal sized slices. Mix the bread crumbs in a small bowl.