Answer:
True
Explanation:
The process is responsible for most of the world's oxygen supply
Answer:
The answer is number 1, its very sad isn't it ;(
Answer:
After WWII, the increased advent of mechanization (invention of machines) reduces the need for farm workers. New tractors were designed to do the work of many men with only one man running the tractor. Tractors can plant and harvest crops.
Explanation:
I am not entirely sure about this one. But I believe that the "Emancipation Manifesto" signed by Czar Alexander II gave serfs land, or at least gave them the freedom to do what they wanted, like buying that said land.
No freedom of religion, or elections was yet to be had in Russia.