D .............. im pretty sure its this one :)
Answer:
C. in areas with different air pressures
Explanation:
"Convection currents occur within:
The geosphere – plate tectonics
The atmosphere - wind
The hydrosphere - ocean currents"
Hope this helps u.
The two cells go into interphase, preparing to split apart again.
Viruses, bacteria, fungus,Protozoa and worms
