Which of the following is not a type of valve in the heart

Achemical substance that people of any age may not lawfully manufacture, possess, buy, or sell is known as a(n) a. over the counter drug b. prescription drug c. medicine d. illegal drug

Ori works at a flower shop in her town. when customers come in to purchase flowers as gifts, lori takes the time to really listen to their needs so she can recommend the perfect bouquet to them. as a result, lori's customers leave happy and return to this shop whenever they need to give a gift. lori's co-workers like her because she gets along with everyone and compliments them on the bouquets they have put together. what workplace habit does lori demonstrate?

Asubstitute is standing at the halfway line waiting to enter the match at the next stoppage of play the ball has gone over the touchline for throwing and referee allows for the substitution to substitute wants to take the throw-in does the substitute first have to enter the field of play before being allowed to take the throw-in