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Use the clue to identify the correct person
clue: active in the Civil Rights Movement

1Dolley Madison
2Jackie Robinson
3Carl Sandburg

2.

Explanation:

The Civil Rights Movement in the 1950s and 1960s fought against segregation. The Civil Rights Act of 1964 opened public facilities to all races. But the movement against segregation after World War II really began in 1947 with Jackie Robinson breaking the color barrier in baseball.

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 : -

it's