Four skills families need to stay healthy are resolving conflicts, expressing emotions, making decisions, and

Managing time

Explanation:

Time management is necessary for a family to stay healthy because good time management allows a person to get his day goal in less time which results in releasing the stress and creating a feeling of happiness.

Due to good time management appropriate time for sleep, exercise and other recreational activities can be taken out which are directly related to a person or a family health and it helps in improving the family health.

If time management is not right than it can increase the stress because of the overloading of work or less time recreational activities. Therefore time management is an important skill that a need to stay healthy.

i think your answer is c. measurement system in which the medication dosage was calculated.

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