Answer:
Marigold flowers are added to two glasses of water and it <u><em>is brought</em></u><em> </em>to a boil. When the water <u><em>is reduced</em></u> to half it is strained and one teaspoon honey <u><em>is added</em></u>. After your hair is washed, the mix <u><em>is used</em></u> as the last rinse for very soft hair.
Explanation:
In the given instructions, the hints are given in a list. Stating the different stages of making and using a natural hair conditioner, the descriptive information will be given by inserting the corresponding verbs in the passive voice. This means that the passive voice presents the subject as the receiver of the action rather than a subject doing the action (Active voice).
Thus, the given passage in the passive voice will be-
Marigold flowers are added to two glasses of water and it <u><em>is brought</em></u><em> </em>to a boil. When the water <u><em>is reduced</em></u> to half it is strained and one teaspoon honey <u><em>is added</em></u>. After your hair is washed, the mix <u><em>is used</em></u> as the last rinse for very soft hair.