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Describe any four ways of purifying drinking water.
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Boiling. This is a reliable way to purify water. ...

Use of Iodine solution, tablets or crystals. This is an effective and more convenient method. ...

Use chlorine drops. Chlorine has the ability to kill bacteria in water. ...

Use water filter. ...

Use Ultraviolet Light.

boiling

reverse osmosis

water chlorination

distillation

can you tell me where are the ansawer choices

intimacy, passion and commitment are the components of a interpersonal relationship emphasized in the triangular theory of love by robert sternberg.

the triangular theory of love says love can be comprehend as this componest form the vertices of a triangle.  

intimacy relates to feelings such as of closeness and connection;

passion relates the drives that brings people together, as physical attraction.

commitment relates to the being in a long-term relationship.