Cereals
Yes, witness the many hundreds of nuclear power plants in the world today, most of which have operated entirely safely.
true
The largest single source of energy used in the world today is oil. It is primarily used in transportation, industry, and electricity generation.
The major source of propulsion for ships in World War II was steam, diesel was the other alternative. It still remains as one of the primary systems used in ships today.
Petroleum is a major source of energy in the world.
Coal is a major source of energy in the world.
Plants photosynthesise to produce oxygen. They also act as a carbon sink. I suppose the largest source of oxygen on Earth is the Amazon forest in South America. Amazon forest is five and a half million square kilometers (1.4 billion acres) big. It is currently the world's most important carbon sink. The Amazon forest is estimated to produce 20% of the world's oxygen supply, excluding all the other plants (e.g. grass). For that, I suppose this is the largest source of oxygen on our planet.
fossil fuels homie
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Mechanical and Electrical
he discoved many thing in are world today
maslows theory