Which of the following explains how ions conduct electricity in a solution?

What is the answer for this. the correct answer only

Which type of microscope would allow the viewer to see ribosomes inside a cell?

Aturntable a is built into a stage for use in a theatrical production. it is observed during a rehearsal that a trunk b starts to slide on the turntable 10 s after the turntable begins to rotate. knowing that the trunk undergoes a constant tangential acceleration of 0.31 m/s2, determine the coefficient of static friction between the trunk and the turntable.