Still, codeine can be detected in hair for about 90 days. This detection window depends on the length of your hair is and how much codeine youâve taken in the past. Trace amounts of codeine will be harder to detect than chronic abuse.
The matching principle is one of the basic underlying guidelines in accounting. The matching principle directs a company to report an expense on its income statement in the same period as the related revenues. To illustrate the matching principle, let's assume that all of a company's sales are made through sales representatives (reps) who earn a 10% commission.
This is actually a harder question than it looks. If you looking for a simple answer, then: they stick together or repulse each other because they have a magnetic field around them, opposite poles 'stick' (N and S like + and -) and same poles repel (N and N or S and S like + and + or-and -). For same reason magnets attract non magnetic metals.