I NEED HELP NOW PLEASE WHAT IS THE ANSWER TO NUMBER 2

I WILL MARK BRAINLIEST FOR A REAL ANSWER

Will have the greatest effect on human health. pollution in the a. troposphere b. stratosphere mesosphere d. thermosphere

You have been asked why scholars use the word "conservative" to describe ancient egyptian pictorial arts. how do you answer the question? describe the egyptian canon of proportion and how it was applied. make sure to discuss the significance of the amarna period and explain its formal and iconographic characteristics.why does a change in religion bring about a change in art in ancient egypt?

(can someone . has to be turned in 1) - explain one similarity between the federal, state, and local governments. ( question 2)- explain one difference between the federal, state, and local governments. ( question 3)- explain one similarity between the federal executive branch and the state executive branch. ( question 4) - explain one difference between the federal executive branch and the state executive branch. (question 5) - explain one similarity between the federal legislative branch and the state legislative branch. ( question 6) - explain one difference between the federal legislative branch and the state legislative branch. ( question 7) - explain one similarity between the federal judicial branch and the state judicial branch. ( question 8) - explain one difference between the federal judicial branch and the state judicial branch.