In which atmospheric layer is the ozone layer? O stratosphere o thermosphere O mesosphere troposphere​

What is lincoln's purpose in writing this speech? question 1 options: to stress the difficulties of war to honor those who died in the war to call for an end to the war to call the country to join a new war

Given that the molar mass of nano3  is 85.00  g/mol, what mass of nano3  is needed to make 4.50  l of a 1.50  m nano3solution? use  .6.75 g18.9 g255 g574 g

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?