∠ A y \ ángulo B∠ Bson ángulos complementarios. Si m\ ángulo A = (x + 16) ^ {\ circ}∠ A=( x+1 6 ) ∘ y M\ angle B = (x-12) ^ {\ circ}∠ B=( x-1 2 ) ∘ , luego encuentre la medida de \ ángulo A∠ A.

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.

Which of the following statements about wearher along mountain ranges is correct

If we review the changes in the landscape surrounding the great salt lake in utah we can see a change in topography. look at the area to the south of the lake. what change has occurred during the last twenty-nine years? a) erosion of the hills b) an increase in marshland c) flooding of the area and the development of wetlands d) deposition of sediments and an increase in elevation