Hermit crabs and giant tritons have a commensalism type of relationship.
The answer would be C. Tears because the others have shown to be invaders
The correct answer for this question is letter C. Epiglottis is the one who prevents food from entering the trachea. It moves in a back and forth manner. When a person swallows, it covers the entrance of the larynx by flattening itself backwards.
Answer:
No.
Explanation:
A neutron <em>always</em> has a neutral charge, meaning it has no charge at all.
The only 2 atoms that have charges are protons and electrons, which are positive and negative, respectively.
