The answer is that negative chargers are concentrated at the center of the atom. Hope this helps!
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!
Answer:
cell
Explanation:
cell constist of nucleus and other organelles
Answer:
Pine trees are conifers!
Explanation:
Your question was a bit confusing but I'm assuming you are asking which group does pine trees belong to. Hope this helps!