Nitric acid is the chief source for the production of nitrogenous fertilizers.
Specifically, vaporized ammonia from natural gas can be mixed with air and then burned over a platinum/rhodium catalyst. It cools as nitric oxide. It oxidizes with the remaining oxygen to nitrogen dioxide. It produces nitric acid when absorbed in water.
mitochondrion
timber
Rationalism...
tobacco
bauxite
The chief source of political power in India is the people. India is a Democratic Republic and this means that the ultimate power lies with the people.
Coal began to replace the wood in the 1800s because the wood became scarce in some places. in the 1900s coal replace wood as a chief energy source because of its many used such as the fuel for steam engines which powered the many railroad engines popular during the period, and fuel for the steam turbines used in the production for electricity.
Iowa leads the states in the production of corn and ranks among the leaders in production of soybeans.
Lake Victoria
Yes - its our (US) chief source.
The chief source of radiant energy is the sun. The sun is responsible for practically all energy on our planet. Geothermal (heat from under the earth) is the only exception.
Production, resulting in wages and, in turn, food.