Which statement about the ocean is true? A No evaporation or precipitation in the water cycle occurs over the ocean.
B Most evaporation and precipitation in the water cycle occur over the ocean.
C All evaporation and precipitation in the water cycle occur over the ocean.
D Evaporation, but not precipitation, in the water cycle occurs over the ocean.

Agenerator converts mechanical energy to electrical energy. when a coil placed between two magnets rotates, the magnetic lines of force are disturbed. this induces a current in the coil. the image below shows a generator. what could be done to make the lamp brighter? a. decrease the size of the magnets b. turn the coil slower c. change the polarity of the magnets d. turn the coil faster

You are driving directly behind a pickup truck, going at the same speed as the truck. a crate falls from the bed of the truck to the road. (a) will your car hit the crate before the crate hits the road if you neither brake nor swerve? (b) during the fall, is the horizontal speed of the crate more than, less than, or the same as that of the truck?

What is the speed of an object at a given moment?