Answer:
True
In a free market, competition determines price, and so companies will compete with one another to offer the lowest prices.
From nitrogenous bacteria found on the surface of leguminous plants. They convert nitrogen into nitrates which is absorbed by plants
In April of 1869, he obtained a patent for one of his most important inventions, the air brake. This device enabled trains to be stopped with fail-safe accuracy by the locomotive engineer for the first time and was eventually adopted on the majority of the world's railroads
It was devoloped in China.
