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• It is found that most of the mass is accounted for by particles whose radius is between 0.1 micron and 10 microns.

• The more developed countries account for most of the world's environmental pollution.

• The four types of hydrogenation account for the production of billions of pounds of ...

• The cobra is responsible for the majority of the 25,000 deaths occurring each year from snake bite in India.

• For every 100 grams of molecular hydrogen there is a gram of dust.