D all of the above
Organizing means to clean so A is right. By having everything clean you know where everything and won’t lost things so B and C are correct. Since all are correct that ultimately means that D is the overall correct answer.
Horizontal. Because horizontal means even.
I can’t understand your language sorry. Hope this helps
The acceleration formula is

We are given


Plug in:

The formula for force is

We now have


Plug in:

So the centripetal force is 9.75 Newtons.
Answer:
chemical to thermal and chemical energy to electromagnetic energy