Explica la importancia Biomédica del envejecimiento en los humanos.

When the cell concentrates potassium within, against the natural tendency of matter, it is performing a.passive diffusion b.facilitated diffusion c.active transport d.pinocytosis

At which point is crust neither created nor destroyed? island chain mid-ocean ridge divergent boundary transform boundary

About how many years does it take for one cycle of surface water to become deep water and then surface water again in the oceans? 101001,000