Given a plastic rod and fur, how would you charge a gold-leaf electroscope​

Six solutions are made, each with a y concentration of 1.0 μm and varying concentrations of ab as shown below. based on the concentrations, rank the solutions in decreasing order of reaction rate.

Which of the following is considered to be a vector?               a.  temperature    b.  velocity    c.  time    d.  mass

The cerebellum controls? thirst sensations sleep-wake cycles hand-eye coordination heart rate and pulse