What is khan reaction to new ideas?

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

Which of the follow modern activities would only have been possible after the neolithic revolution

1. how did manifest destiny spur nation building in the u. s.? 2. how did the idea of “the nation” begin to change? 3. how were the unifications of germany and italy similar? 4. what problems did the austro-hungarian empire have? 5. what domestic issues did england and france have?