Sexual reproduction relies on two different sexes (female & male) because one has the egg and the other has the sperm.
This effect is called BISPHASIC RESPONSE of alcohol. Biphasic response refers to the dual effects that alcohol has on human body system. In the first phase, the drinker feel stimulated and excited while in the second phase, the drinker feel down and depressed.
Under normal conditions it is not toxic
Adding ammonium nitrate to water turns the mixture cold and is a good example of an endothermic chemical reaction