What enables the human eye to "see" light in the infrared range of the electromagnetic spectrum? a. rfid chip b. video camera c. uv sensor d. thermogram

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

Name two kinds of practical electric pumps.

Jenny wants to test the electrical conductivity of two substances dissolved in water. she is preparing the containers for the experiment. which factor is most important for her to control? a) volumes of the solutions b) appearance of the solutions c) temperatures of the solutions d) concentrations of the solutions