A2.1w ipod is used for 30 mins. how much energy is used?

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

Amaterial that provides resistance to the flow of electric current is called a(an) (1 points)

What is the celsius value for 65 farenhiet