Four of them pass a point every second.
Answer:
well sound waves interact with our ears and light interacts with our vision
Explanation:
Answer:
The forces could be gravity, friction between the car and the ground, the force Katie is applying and the normal reaction.
The only way of telling about dark energy is our observation of how the universe has been expanding. It basically works the opposite as gravity, pushing things away from it. Thus, the closest answer would be D. The shape of galaxies in cluster galaxies.
