Volga River is the longest river in Europe.
It is also a source of hydroelectricity for many Russian cities along its basin
Answer:
About an year.
Explanation:
If we could collect all of the energy of the sun that came to earth in one hour , the energy is enough for all of humanity's energy needs for one year. The humans used about 575 quadrillion Btu whereas each hour 430 quintillion Joules of energy is received from the sun by the Earth which is a huge quantity so by seeing the data we can conclude that about one hour of sun's energy is enough for about about one year for the whole world.
Answer and Explanation: Earth's climate has changed dramatically many times since the planet was formed 4.5 billion years ago. These changes have been triggered by the changing configuration of continents and oceans, changes in the Sun's intensity, variations in the orbit of Earth, and volcanic eruptions. Hope it helps!
