Advice students on how to manage stress throughout their studies​

Which changes of state do the labels represent? a: b: c:

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?

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