WHAT THREE COUNTRIES LAND ARGENTINA IN THE NORTHWEST?

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

What evidence does the writer give to support his argument about coral reefs? a) he speaks of the activities of coral polyps. b) he describes the composition of the great barrier reef. c) he emphasizes the ways in which coral reefs are fragile. d) he points out the ways that scientists do research on the reefs.

If the basis of an isosceles trapezoid have lengths of 11 and 26, what is the length of the median?