Medical results are valid for twelve months from the date of the exam. The answer is A.
Answer:
stop using the 'cast' and be more open to new things ig
Explanation:
<span>A barter system is an old method of exchange. Th is system has been used for centuries and long before money was invented. People exchanged services and goods for other services and goods in return. ... The value of bartering items can be negotiated with the other party.</span>