Water. Spirits for example, or wine, or other liquids can also be used depending on the flavour required and the dish you are making.
Energy, in the form of heat, must.
Energy must be added or taken away.
water must be added and the process is called Hydrolysis
The number 2715 needs to be added to 4691 in order to yield 7406.
A map key
Energy in various way: for example heat.
When two physical quantities are added together, they must have the same units in order to be combined. This means that both quantities must be expressed in the same type of measurement, such as meters or kilograms, for the addition to be valid.
An anhydrate is a type of compound that is created from another compound via water loss. These are usually created from acid compounds.
In order to take a pH reading, water must be added to the solid. The water should be purified and have a known neutral pH.
must be added
Must and be are auxiliary verbs, and added is a past tense verb.
The difference must be added : 7.00-4.34 = 2.66