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 of the following is an example of units for speed

If an astronaut takes an object to the moon the following is true (choose only one). a the mass will change but the weight will be the same. b both the mass and the weight of the object will be the same. c the weight will change but the mass will be the same. d both the mass and the weight of the object will change.

State the following: boyle's law and charle's law