The layer of the atmosphere closest to the earth is the
a. mesosphere
b. stratosphere
c. troposphere
d. thermosphere

How did the movement of soldiers during world war 1 contribute to the global influenza (flu) pandemic of 1918 to 1919, which killed millions of people

Asap will mark geography final plz ! what are the benefits of international aid? (give me the right evidence )

In a class of 20 students, what democratic form of governance makes the most sense