-Medium- an agency or means of doing something.
-Technique-a skillful or efficient way of doing or achieving something.
-Proportion- a part, share, or number considered in comparative relation to a whole.
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>
Driver licence or proof they are 21 or over 21