Final answer:
More than 90% of all raw materials come from Siberia. Petrochemicals power approximately 92% of transportation, 50% of petroleum goes directly to transportation, and the exact percentage of petroleum going to industrial processes varies.
Step-by-step explanation:
More than 90% of all raw materials come from Siberia.
b) Petrochemicals, such as gasoline and diesel, are the primary sources of energy for transportation. According to the International Energy Agency, petroleum-powered transportation accounts for approximately 92% of the world's transportation energy use.
c) According to the U.S. Energy Information Administration, almost 50% of petroleum consumption in the United States is directly used for transportation purposes.
d) Industrial processes that directly consume petroleum include manufacturing, construction, and chemical production. The exact percentage varies depending on the industry and region.