These are signs of amniotic fluid embolism, a rare emergency that can occur during the very last stages of labour. This is caused by the circulation of amniotic fluid in the blood stream of the pregnant woman. The nurse should administer oxygen using a facemask, in order to increase the oxygen intake of the woman.
Commensalism is the relationship between two organisms where one benefits from the other and the other is not affected in anyway. The interaction between the remora and the shark demonstrates this relationship.
Mass can either increase or decrease the speed depending on the height of the roller coaster.