Answer:
(b) to explain how light travels.
Explanation: Hope this helped
Answer:
Around the world, around the world
Around the world, around the world
Around the world, around the world
Around the world, around the world
Around the world, around the world
Around the world, around the world
Around the world, around the world
Around the world, around the world
Explanation:
Hope this helps and Have a great day! (^w^)
Writer? Picture? Not sure....