Directional selection I'm pretty sure hope it helps!
Answer: Your upper and lower arms are connected at your elbow by a hinge joint between your humerus and ulna.
Explanation:
The total volume of the gas-exchanging region in the lung is called alveolar volume.
The alveolus is an air sack-like organ in the end of the respiratory airway. The alveolus is the site where gas-exchanging happens, so only air inside alveolus that will undergo actual exchange. Air in bronchus or trachea wouldn't do exchange
A plant is is a Eukaryotic (if that’s what you meant) and here are some note I took last year, hope they help :)
Answer: The answer is flammability
Explanation:
because it is a chemical thing happening