Electromagnetic quiz, need help with this one*

The diagram shows a person using a piece of gym equipment to lift weight which best describe the body in terms of simple machine

Choose all the answers that apply. our solar system: is in a spiral galaxy no longer includes pluto is made mostly of empty space is in the andromeda galaxy is the only known system that supports life

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above