How much you pay when you use television, hair dresser and vaccum cleaner for 5 hours ?

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

The material that keeps its new shape after it is stretched is called?

In an experiment, how can i change human errors? be specific.