Your answer is the nuclear envelope, The nuclear envelope is a double membrane of the nucleus that encloses the genetic material. It separates the contents of the nucleus from the cytoplasm.
The correct answer is this one: "human industrialization." Air pollution comes from human industrialization. Because of too much industrialization, there are a lot of excess and wastes in any form: air or even liquid and solid wastes.
Answer: Sorry, this not an answer but let me put yall on... Download this app called Socratic, can answer all of your questions! just scan and go.
Explanation: I USE IT!!