What part did you need help understanding? Your definition is pretty strong- the epiglottis keeps food from entering the trachea and lungs. It also opens during breathing to allow air into the lungs. Good luck on your test, let me know if you need anymore refreshers!
D .............. im pretty sure its this one :)
The earth's revolution is the path around the sun. It is shaped live and oval and it last 1 year.
Answer:
False
Explanation:
the object will float if the force of water (buoyancy )is greater than the objectives weight
