The plateau phase of an action potential in cardiac muscle cells is due to the . efflux of K through K channels influx of Ca2 through slow Ca2 channels influx of Na through fast Na channels efflux of Ca2 through fast Ca2 channels

Evaporation: this is when warmth from the sun causes water from oceans, lakes, streams, ice and soils to rise into the air and turn into water vapour (gas). water vapour droplets join together to make clouds! condensation: this is when water vapour in the air cools down and turns back into liquid water.

It dont even matter because at the end of thre day we gone life like it ius s