4. Batteries and electricity are used for many of our activities in modern life. Answer the following questions about electrochemistry. a. What is electricity? How do we measure it? b. Compare electrolysis and electroplating. Explain whether they are the same or different processes and what the necessary components are for either to occun 0. List the key components of a battery and explain what each part does. Then, look up a lithium-ion battery and identify the materials used for each component