Which of the following correctly describes the importance of demonstrations to a scientific investigation?
a. in a demonstration, empirical data is collected.
b. a demonstration is a process involving scientific investigation.
c. in a demonstration, the effect of one thing on another is measured.
d. a demonstration shows how something works, often including models.

i just did an experiment like this in my science class. also the answer is yes, it will get separated because they are two opposites meaning if they are opposite they can not attract.

hope this .!

the total distance that martina travels that day is

(distance from home to mom's office) plus (distance from mom's office to school)

plus (distance from school to library) plus (distance from library to friend's house)

plus (distance from friend's house to martina's house).

(we don't know what any of these distance actually is.)