The two types of electric current are AC and DC currents.
AC currents mate ;)
The two causes of ocean currents are wind and the rotation of the earth(etc) The wind blows which makes the currents in the water and the rotation of the earth(gravity) makes currents in the ocean currents. Luaye Sharawy
its caused by the moon
In electricity? High voltage ,high currents. Low voltage, low currents.
Currents in the coastal water masses
convection currents!
Randomism .
waves
On the contrary, houses are ALWAYS supplied with a.c.
Heat from the core and the mantle itself causes convection currents in earth's mantle.
The energy from the core of the earth causes currents in the molten layers, the way there are currents in the ocean. These currents are what causes the Tectonic Plates to move along the surface of the earth.