What are two important guidelines to follow in making a good set of measurements?

a) Right scale for right entity to be measured.

b) Minimum measured value

Explanation:

The first and foremost essential requirement for making a good set of measurements is to use a scale of measurement with which the target unit can be measured for example you cannot measure volume by a scale thus only a linear unit can be measured by a scale.

The second important thing is to look into the scale for its least measurement value as this will help to decide the right application of scale being used for measurement.

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

answer: although many types of viruses can cause a common cold, rhinoviruses are the most common culprit. a cold virus enters your body through your mouth, eyes or nose. the virus can spread through droplets in the air when someone who is sick coughs, sneezes or talks. theres your answer

explanation: