Anna experienced extreme pain at the dentist as a child. Now she goes to a different dentist, but feels her heart race when she arrives, and go down when she leaves. Her heart racing whenever she goes to the dentist is due to , and the calming feeling when she leaves is due to

Classical conditioning, Operant conditioning

Explanation:

The reason is that classical conditioning is the form of learning which creates a perception about a matter due to past experience. This perception in this case is extreme pain and once she is operated she feels very calm because the pain she perceived associated with the dentist operating has ended so from her perspective this is was a sort of punishment and now she is done with it. The flow of feeling after bearing the pain associated with the task perceived is operant conditioning.

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 : -

hello,

answer: a federal government has final authority on interstate/inter provincial  and international affairs, a confederation is one where the central/national government or authority is governing body what does not have final say over the same matters. hopefully this and i will try again if you don't like this answer : )

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