It depends, normally if you're an experienced and talented surfer, companies or people will tend to sponsor or pay for you to surf for them.
The answer is A. Cleanliness
A single cell is often a complete organism.
The first three should be correct
Choanal atresia<span> is a congenital disorder where the back of the nasal passage </span><span> is blocked, usually by abnormal bony or soft tissue (membranous) due to failed recanalization of the nasal fossae during fetal development.</span>
