From the diagram, where are most ocean trenches located? OA.
beneath very wide mountain ranges
OB.
at the center of continental plates
OC. at the boundary between two plates
D. at the center of oceanic plates

Which statement is true for light passing into a medium that is more optically dense than the first medium through which it past

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm

Arunner is training for an upcoming marathon by running around a 100-m-diameter circular track at constant speed. let a coordinate system have its origin at the center of the circle with the x-axis pointing east and the y-axis north. the runner starts at (x, y) = (50 m, 0 m) and runs 2.5 times around the track in a clockwise direction.