Mr. Smith is an alcoholic. There is an unspoken rule in his family that everyone should work to protect his emotions. This unspoken rule exerts significant influence on patterns of interaction in the family. According to Minuchin, this unspoken rule is an example of:

hereditary rules

Explanation:

Some addictions are family genetics and as well as many persons in that family might suffer the same problem, this subject is very difficult to talk about or to share advises, so this behavior of protecting emotions and do not talk about alcoholic addiction can be seen as an unspoken rule.

uses : -

1.aneroid barometers primarily measure whether pressure is rising or falling.

2.aneroid barometers are often used for reading pressure in homes and recreational boats.  

3.other uses may include barographs in meteorology and altimeters in modern aircraft.  

4.this type of barometer can announce whether a high or low pressure system is coming or whether it is becoming more intense.  

5.there are different types of aneroid barometers, such as the altimeter, which measures altitude, or distance above sea level.  

6.another example is a barograph, which is a modified aneroid barometer that provides constant readings of atmospheric pressure on graph paper.  

7.when used in this capacity, the aneroid barometer can store a week's worth of data.

android diameter a device for measuring atmospheric pressure , often specially calibrated for use as an altimeter ,consisting of a box or chamber partially exhaused of air, having an elastic top and a pointer to indicate the degree of compression of the top caused by the external air

refer to the attachment for the characteristics : -

the answer is a quran