How to calculate molar mass 
Understand molar mass. 
Molar mass is the mass (in grams) of one mole of a substance. Using the atomic mass of an element and multiplying it by the conversion factor grams per mole (g/mol), you can calculate the molar mass of that element.

Find the relative atomic mass of the element. An element's relative atomic mass is the average mass, in atomic units, of a sample of all its isotopes.

A person is washing their hands as the words "tutorial: how to wash your hands" appears on screen. A continuous scroll of instructions crawls across the bottom of the screen. someone washing their hands improperly

is shown with the words " how not to wash your hands:-(".

How to get vitamin d naturally 
Learn how the sun creates vitamin d. 
Sunlight is a form of radiation that has two forms, ultraviolet a (uva) and ultraviolet b (uvb) radiation. Your main source of vitamin d occurs when uvb radiation strikes your skin. When this happens, the first steps of vitamin d synthesis in your body is triggered.

After this, the next steps occur in the liver and then the kidneys. Because the rest takes place inside the body, once the body is triggered, you no longer need to be exposed to uvb radiation.

How to dry garlic 
Plant varieties of garlic that are specially suited to drying and storage. 
The best options are creole and silverskin. Some heirloom varieties will lose their rich flavor after drying.


Dig your garlic from your garden when the soil is dry. Avoid watering for several days before you harvest.