Answer:
We would need the whole question or page even to solve this, my best shot would be 24 because 15+9= 24. If this is wrong please forgive me.
The answer is a because once the magma has left the volcano its lava
One reason that rock layers are not horizontal are because of erosion and it also depends we’re you find the rock layer
The time required for the moon to orbit around the earth is slightly longer than the earth rotation on its axis. The moon rotates in the same direction that the earth rotates on its axis. Thus, the moon's full rotation requires another 50min or 25 minutes per crossing of the earth's meridian.