Use a non-traditional item or things to recreate a closed or open circuit. Don't limit your creativity!! You can use paint, food, your fingers, brushes, spoons or whatever you can find at home and upload a picture when you are done!

muscle endurance

explanation:

i can do 50 in a row ( but i get so tired after that)

it is the second option.

when it gains or loses electrons

the working equation for the angular size is the product of the physical size and 360 degrees divided by the product of two pi and distance from earth. the minimum size would be 0.559 degrees while the maximum size would be 0.49 degrees.