(science)

compare convection currents in the ocean with convection currents in the atmosphere. use complete sentences and give at least two supporting details.

* make it sound like a 7th grader! !

In this way, heat inside Earth moves toward the cooler crust. This movement of rock is a Convection Current. Convection Currents in the mantle cause the movement of tectonic plates. Figure 4 Convection currents in the atmosphere form when cold airsinks and forces warm air away from Earth's surface.

uranium fissions/breaks up giving out energy and neutrons

the minimum amperage that the current in this wire would have to have so that its weight is completely supported by the magnetic force due to earth's field, assuming that no other forces except gravity act on it