What is a crack in the earth's crust?

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

What are some natural resources found in midwest

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.