Convection currents are caused by differences in what two things?

How should Sal correct his diagram? He should add five more dots so that the atom obeys the octet rule. He should add ten more dots so that all thirteen electrons are shown. He should add a single dot below the symbol.

The radio waves of a particular AM radio station vibrate 680,000 times per second. What is the wavelength of the wave?

Technician A says that the current flow through a rear-window defogger can be often self-regulating. Technician B says that as the temperature of the grid decreases, its resistance decreases, reducing current flow. Which technician is correct

A capacitor has plates of area 8.25 * 10 ^ - 5 m ^ 2. To create a capacitance of 3.35*10^ - 10 F, how far apart should the plates be?

By what factor does the speed of light increases when light enters from glass to air

Does a rising GDP benefit everyone

You have a neutral balloon. What is its charge after 12000 electrons have been removed from it? The elemental charge is 1.6 * 10-19 C. Answer in units of µC.

Which formula can be used to find the x-component of the resultant vector?

How could the action force of a canoe moving through water be increased

Why does the value of your bond decrease when interest rates increase?