When you read a poem, you might pick up on a central message that readers can apply to their own lives. what is this central message called?

The image shows a pendulum in simple harmonic motion the pendulum starts at a and swing to e

When measuring volume, why is it important to use the correct tools and units to attain the greatest accuracy? use specific examples from the lab to support your answer. (5 points)

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