Answer: D Medium B is denser than Medium A because light bends more in Medium B.
Explanation: The more the light bends the less energy it has
When heat or any other kind of energy move from one place
to another, conduction and convection need some material stuff
along the way, otherwise they don't happen.
There is no material stuff between the Sun and the Earth, so
the Sun's energy reaches us by radiation.
Answer:
200J
Explanation:
200J is 100%, 10% of 200J would be 20J