Pls help!! Why do scientists use models?

Question 1 options:

because some systems are so large, small, or complex they are difficult to predict

all answers are true

to aid in the development of questions and explanations about systems

to replicate and simplify physical reality to allow for precise experiments

this is a good question! i'll do some research and come back when i have the answer!

force required to detach it is given by

charges are taken to be fundamental charge

now we have

so above is the minimum distance at which it will detach

its a circle not a square that's simple silly.

explanation:

can somebody give me the answer so i can graduate