Can Someone with real help answer help me? Also do not add a link, please. Select TWO environmental concerns about China's Three Gorges Dam.

Environmentalists claim the dam has affected local weather patterns.
All the fish in the Yangtze River have died.
Holding back the water has created a desert downstream.
Loess, trash, and industrial pollution are accumulating behind the dam.

explanation:

kill anyone that got in the way

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 !