Answer:
A parliamentary system or parliamentary democracy is a system of democratic governance of a state (or subordinate entity) where the executive derives its democratic legitimacy from its ability to command the support ("confidence") of the legislature, typically a parliament, and is also held accountable to that parliament. In a parliamentary system, the head of state is usually a person distinct from the head of government. This is in contrast to a presidential system, where the head of state often is also the head of government and, most importantly, where the executive does not derive its democratic legitimacy from the legislature.
Answer:
Overgrazing by livestock is leading to significant environmental degradation—Grevy's zebras compete with the ever-increasing livestock population and agricultural crops for water.
Explanation:
The answer is: Cities
Approximately, around 80% of united states population live in the cities. This happen because most of job opportunities that exist in united states (whether it's art, technology, or manufacturing) are located in the cities.
Because of this, even people who born in rural areas start to move to inner cities in order to find jobs and sustain their living.
The Olmec civilization was located in "MesoAmerica," since they were located in an area that is now part of present-day Mexico (although the borders are significantly different now).
