Answer:
The correct answer is A. The cartilaginous structure between the "throat" and the trachea is the larynx.
Explanation:
The larynx is a tubular organ. The larynx wall is composed of 9 pieces of cartilage. Three are odd (thyroid cartilage, epiglottis and cricoid cartilage), and three pairs (arytenoid, cuneiform and corniculate cartilage). In addition, it communicates the pharynx with the trachea and is in front of it.
The plant would no longer put out oxygen, and the concentration of carbon.
The word you're looking for is the Bowen's reaction.
Hope it helped!
fifth tick mark means 0.5mL
so ans is 3.5 mL