All of the original energy comes from the sun
Answer:


Explanation:
Let the initial charge on the two spheres are

now we know that the force between them is given as



now when two spheres are connected then final charge on them is given as

now the force between them is given as

now we have

So by solving above two equations we have


Answer:
I'm pretty sure the answer is D
Explanation:
Honestly it's just a guess so let me know if it's right :3
<span>During winter for a given hemisphere, solar radiation reaches the lowest period of its annual cycle due to the tilt of the earth on its axis. As the earth rotates around the sun, this tilt occludes a portion of the energy released by the sun as it diffuses in the atmosphere.</span>