electronic signals that pulse current in a series of 1s and 0s are known as analog signals digital signals electromagnetic signals semiconducting signals

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

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion

Sodium chloride, nacl, is formed when a sodium atom transfers its electron to a chlorine atom. the difference in charge between the two atoms creates a(n) attraction that bonds them together.