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Most asphalt is obtained as a byproduct of the distillation of petroleum or other natural materials. Some natural asphalt, however, is extracted from organic mineral deposits in the early stages of their breakdown
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∙ 13y ago
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What has the author T Hugh Boorman written?
T. Hugh Boorman has written: 'Asphalts, their sources and utilizations' -- subject(s): Accessible book, Asphalt, Asphalt Pavements, Pavements, Asphalt
What are the 2 classification of energy sources?
derived from the sun and not derived from the sun
Is petroleum a pure substance?
No, asphalt is a complex mixture of hydrocarbons, usually derived from petroleum.
Are Most energy sources are derived from the Sun's energy?
most engery sources are derivded from the sun,s engery
You are extracting information from multiple sources. What information will appear on the derived from line?
multiple sources
What information will appear on the derived from line?
multiple sources
What is elint?
intelligence derived from electromagnetic radiations from foreign sources (other than radioactive sources)
The most abundant sources of proteins are derived from?
Meat and Cheese
The law is derived from three main sources what are they?
Law is derived from Common Law, Statutory Law, and Administrativel Law.
Why is biodiesel called biodiesel?
Because it is derived from biological sources (crops such as rape) and not mineral sources such as coal or oil.
What are the sources of aromatic compound?
they are usually derived from distilled coal or petroleum
Where was gum originally derived from?
natural sources such as tree resins and saps
