As of 2010,the least developed country in the world was?

In order from largest to smallest what are earths five main oceans

Zac wanted to determine the measure of r and of ? r in the triangle below. to fine the measure of r, zac sets up the problem.42^2 + 24^2 = r 2. determine whether zac set the problem up correctly.

How have citizens in aralsk adapted to the changes brought about by the shrinking of the sea?