Could this headline be true? "Flying bird escapes death as it magically flies through a closed window." Explain with evidence from your investigation.

i guess that visual aids present persuasive examples to what you are presenting, some factors would be theme (does it fit with the color, information, what you are presenting), size (can you see it, is it a big enough span of data/information), and overall look of the visual aid.

hope this : )

the amount of current in the coil

if the person is shown to have +90n, then ans is -10n.

if the person is shown to have -90n, then ans is +10n.

because if the tool that you are using is not balanced it there would be false mass.