Select all that apply.

how does an electrostatic generator operate?

a motor drives a belt moving through magnets.
an electric motor causes electricity to flow through a moving belt.
electrons are stripped off a wool pad.
electrons are transferred to a metallic sphere

According to the diagram; a) identify the anode of the cell and write the half-reaction that occurs there b) write the overall equation for the reaction that occurs as the cell operates c) calculate the value of the standard cell potential ,e cell. d)write the shorthand notation of the cell above e)indicate the flow of the electrons on the diagram

Gymnast always perform on padded mats. how does the mats protect the gymnast

The formation of a solid, also known as a is an indication of a chemical change. precipitate particulate particle powder