Quadrilateral ABCD is inscribed in a circle. What is the measure of angle A?​

If a volcano’s magma is high in silica, the volcano will probably a. erupt quietly. b. remain dormant. c. erupt explosively. d. produce dark-colored lava.

Which arrow is closest to laguna madra bay? a. 1 b. 2 c. 3 d. 4

The fact that similar fossils are found on both sides of the ocean is evidence of: a. global positioning. b. magnetic reversal. c. continental drift. d. oceanic drifts. select the best answer from the choices provided a b c d