The special fbi unit which engaged in the extralegal and illegal disruption and destabilizing of dissident political groups was known as

It was known as "COINTELPRO".

COINTELPRO which is short form of Counter Intelligence Program was a progression of secret, and sometimes extralegal, missions carried out by the United States Federal Bureau of Investigation which went for observation, invading, undermining, and disturbing domestic political associations. COINTELPRO strategies are as yet used right up 'til today, and have been claimed to include discrediting targets.

the median of the data is 4.

step-by-step explanation:

the median means the middle number of a given number.

to decide which one is the median, arrange in ascending or descending order. but sometimes, you may find two(2) number in the middle, but it's easy, just add them together and divide by 2.

so,   determine the median of the data. 2, 3, 3, 4, 5, 7, 9

it is already arranged, count 3 times forward and 3 backward and the one left is your answer.

2,3,3,4,5,7,9

our answer is 4.

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b) the planets year length would be longer

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