The device that demonstrates the presence of static electricity is called a(n)
electroscope
electrostatic generator
force field
lightning rod

The correct answer for the question that is being presented above is this one: "electroscope." The device that demonstrates the presence of static electricity is called a(n) electroscope. An electroscope is an early scientific instrument that is used to detect the presence and magnitude of electric charge on a body.

The best answer is (a) which is universal law is in effect at all times. it is constantly at play in everything we do and governs our lives. it is also important to note that universal law applies to not only everything on earth, but everything in the universe as well, which is another reason why it is in effect at all times.