Final answer:
In a presidential system of government, the executive and legislative powers are separated into two different branches, and the head of the executive has only a limited role in the legislative process.
Step-by-step explanation:
In a presidential system of government, the executive and legislative powers are separated into two different branches. In this system, the head of the executive, often called the president, has only a limited role in the legislative process. The legislative and executive branches work independently from each other.