Gravitational.....................
Answer:
The cilia is one of the things that act defensively in the respiratory system.
Explanation:
It propels a mucus-like liquid that covers the airway which traps pathogens (potentially infectious microorganisms) and other particles, preventing them from reaching the lungs.
She will need A. Bean seed that gets no fertilizer.
I hope this helps! :D
B) It's known as a Fault. That's why they say "Don't drill on a fault line," because when fault lines move they cause earthquakes, and other occurrences.