"Speed" is the rate at which distance is being covered .... the ratio
of distance covered to the time it takes.
"Velocity" is the rate at which distance is being covered .... the ratio
of distance covered to the time it takes ... AND the direction in which
it is covered. 'Speed' with the direction of the motion.
Answer: it reduces dependence on fossil fuels. Disadvantage: it would emit pollution into the air.
It's D) valid and testable.
B. Kinetic energy increase, gravitational potential energy decreases
A.oceanic plate diverging
B.central fault in a continental plate
C.oceanic and continental plates at a transform boundary
D.oceanic and continental plate converging
subject science
