Answer:
Using kenetic energy
Explanation:
In order to generate electricity from the kinetic energy in moving water, the water has to move with sufficient speed and volume to spin a propeller-like device called a turbine, which in turn rotates a generator to generate electricity. ... An opening in the dam uses gravity to drop water down a pipe called a penstock.
Historically, the caliphates were polities based on Islam which developed into multi-ethnic trans-national empires. During the medieval period, three major caliphates succeeded each other: the Rashidun Caliphate (632–661), the Umayyad Caliphate (661–750), and the Abbasid Caliphate (750–1258).
Answer:
Athenian democracy developed around the sixth century BC in the Greek city-state (known as a polis) of Athens, comprising the city of Athens and the surrounding territory of Attica, is one of ancient Greek democracy, and is often described as the first known democracy in the world
Explanation:
Answer:
Depends on what kind of laws. Society changes with every coming year, and if there is a law particularly fair, then yes change is needed. But if it isnt fair then no, do not change the constitution.
Explanation:
