Because they need to balance out the power between each branch, they need to check and balance each other
<span>Bart's experience is a great illustration of the foot-in-the-door phenomenon. In other words, once Bart allowed himself to become involved in a minor experience of unsavory behavior, it became easier to persuade him to become involved in more serious detrimental behavior.</span>
Can help reduce mistake ,prevent improper behaviour in organisations ,They are important in businesses when one individual has too much control .Hope this helps :)
The answer is D. Ethanol.
