There are many of them but the most common are:
1.) Photosynthesis
2.) Solar Energy
3.)Thermochemical Reactions
The owner was John Jacob Astor.
Answer:
Wealthy people lives luxurious whereas working class people lives hard and tough life.
Explanation:
The life of wealthy people is different than the life of working class people in cities because the wealthy people become more richer and lives a luxurious life while on the other hand, working class people works very hard to fulfill their basic needs. Both man and woman of working class works together in order to better their economic condition and gives better life to their children.
Answer:
Vladimir Ilich Lenin is the great first leader of the revolution, who led it and consolidate it in the first years of communis power until his death in 1924. He was succeeded by Joseph Stalin, who reached absolute power, developed a strictly centralized command economy, eliminated political rivals within the party, purged the ranks of the party, the army and the government and created a personality cult.
Explanation:
