Which of the following developments is not an example of how people have modified their environment?
a.
a new park is created in the middle of a city.
b.
swamp areas are filled in to create more land.
c.
a housing development is constructed.
d.
a protected area is created to prevent development in a natural habitat.

d is the answer your lookin foe

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.

hope this !

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