The arrival of the Europeans drastically changed the lives of the Natives due to the fact that the Europeans were coming to the Americas to modernize and spread European culture there. The Native Americans had been there for many years before and they did not believe in modernizing the way they lived. They had been the same for many years.
Answer:
78 percent - nitrogen
21percent- oxygen
absorbs ultraviolet-ozonosphere
atmospheric weather-stratosphere
starts seven miles -troposphere
layer composed 0f layers- thermosphere
important fr radio wave-ionosphrere
trapping of heat- green house effect
the Atlantic Ocean and the Indian Ocean.
Economic is more important for influenza outbreak of 1918.