In science explain the difference between internal and external fertilization and the advantages and disadvantages of each reproductive strategy?

External: Requires water for the sperm cell to unite with the egg cell because both the egg and the sperm cell have to be released into the water so the sperm may "swim" to reproduce.

Internal: Water is not needed. The sperm and egg cell is united through sexual reproduction inside of the body of a parent. 

20 times a minute is usually the average respritory rate of an adult. additionally the patient is breathing on his own, is clearly maintaining his airway, and is intaking a sufficient amount of air. you shouldn't use a bag valve mask, cpap, or other form of positive pressure ventilation, unless the patient has lost control of his airway, and is not breathing (apneic) or has rapid breathing or slow and shallow respirations. this patient would most likely and should be put on an non-rebreather mask or nrb attached to 100% high flow oxygen at 15 l/min. don't use a nasal cannula, as the amount of oxygen it provides is limited with a rate of 6 l/min.

The apple is red lol