Mia walks with a velocity of 1.3 m/s south. she does so while riding on a train that is traveling with a velocity of 4.6 m/s north. what is mia`s velocity?

Which is not a step in the rock cycle?

Oxygen and nutrients are moved through the body by the: a. circulatory system c. lymphatic system b. digestive system d. reproductive system

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