Its ethier loose soil or dense vegetation but i have a feeling its loose soil.
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.
The answer to your question is bacteria
food vacuole or granule:- used to contain food for digestion .
contractile vacuole :- used to remove excess water.
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