A volunteer is holding the other end, so that a standing wave is set up on the spring. The spring is vibrating with 3 antinodes. What is the frequency in hertz? What is the period? How many nodes are on the spring? What overtone is the spring vibrating in?

Need in all of themmm only answer if you know plsssss

Orange juice has a lower or higher viscosity than chocolate syrup

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents