What fuels sea floor spreading? a) convection currents b) the crust c) subduction eliminate d) convergent boundaries ill mark what fuels sea floor spreading

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?