Answer:
2 possible answers. 1. The green box is heavier. or 2nd. The green box has bigger friction than blue box.
Those should be the 2 main explanations. There probably are other options
Answer:
A wind turbine captures the wind, which then produces a renewable energy source. The wind makes the rotor spin; as the rotor spins, the movement of the blades drives a generator that creates energy. The motion of the blades turning is kinetic energy. It is this power that we convert into electricity.
It is B since they are traveling at the same speed one is positive so the other had to be negative hope this helps;)))))
