Explain the differences between the use of hydroelectric energy and coal.

Hydroelectric is powered by water a renewable resource, while cola in nor renewable, and causes pollution.

Hydroelectric energy uses the movement of water to spin a turbine and produce electricity. Coal is a fossil fuel that is burned as an energy source, which results in emissions such as carbon dioxide, nitrogen, and sulfur. Coal use is associated with waste products both from the mining process to acquire the coal and also from the actual use of coal itself. Hydroelectric energy does not involve waste, but does pose potential problems to waterways. Coal use is more common than the use of hydroelectric energy.

Corruption i think

Magna carta was originally intended to protect the rights of  the nobles