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.
Answer:
hey what if you dont know it
Explanation:
Answer:
I'm sure you'll find your answer some time soon
Hello there :)
I am quite sure this is a true/false question
This statement is false.
Yes, the cilia and mucus in the trachea does sweep upward, however, it moves the mucus towards the pharynx where it is swallowed not towards the nose where it is sneezed out.