Which of the following groups are directly involved in national security and are also the three top departments within the executive branch?

The correct answer is United States departments of State, Treasury and Defense.

The President's Cabinet is made up of 15 main executive departments. The top three departments ( in order to succession to the Presidency ) are The Department of State, The Department of Treasury and The Department of Defense.

The Department of State advises the Presidents and conducts international relations. It handles the relationships with foreign countries and discusses matters associated with national and foreign security and national and foreign policies.

The Department of Treasury manages government revenue. It collects all the federal taxes, prints all paper currency and supervises U.S. debts instruments and fiscal policy. It ensures the country's financial security.

The Department of Defense provides the military to protect the country. It deals directly with national security and the United Stated Arms Forces. It is the government's largest agency.

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 : -

a) which ethnic groups live in this community?

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