if there is expaction about the rise in price in future then present supply..
A -decrease
B - Increase
C - Remain constant
D - become zero
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Petrochemicals are derived from various chemical compounds, mainly from hydrocarbons. These hydrocarbons are derived from crude oil and natural gas. Among the various fractions produced by distillation of crude oil, petroleum gases, naphtha, kerosene and gas oil are the main feed stocks for petrochemical industry.
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