When Anna begins dating someone, she usually falls madly in love. However, her intense emotions are short-lived, and, after perceived abandonment or violation of her trust, she quickly develops a strong dislike for the other person. Additionally, Anna reports feeling very lonely and empty even though she is always meeting people. Anna is most likely suffering from personality disorder.

Borderline

Explanation:

Borderline disorder maybe seen in some quarters as a form of mental disorder which is often characterized by a very strong mental instability, that is a very quick swing in behavior or character towards a particular person or phenomenon. Borderline disorder are usually chronic and has no established permanent cure. Like described in the question above, patients suffer from very abrupt change in feeling which is strange and hence, it's relation or inclination towards mental disorder or ailment.

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 template that is used is page layout then the margins option and finally choose the normal option.