Question

8.
9.
Explain the process of formation of petroleum.
The following Table shows the total power shortage in India from
1991-1997. Show the data in the form of a graph. Plot shortage percentage
for the years on the Y-axis and the year on the X-axis.
S. No.
Year
Shortage (%)
1
1991
7.9
2
1992
7.8
3
1993
8.3
4
1994
7.4
5
1995
7.1
6
1996
9.2
7
1997
11.5​

Answer 1

A fossil fuel, petroleum is formed when large quantities of dead organisms, mostly zooplankton and algae, are buried underneath sedimentary rock and subjected to both intense heat and pressure. Petroleum has mostly been recovered by oil drilling (natural petroleum springs are rare).

Answer 2

Answer: A fossil fuel, petroleum is formed when large quantities of dead organisms, mostly zooplankton and algae, are buried underneath sedimentary rock and subjected to both intense heat and pressure. Petroleum has mostly been recovered by oil drilling (natural petroleum springs are rare).

Explanation: hope it will help you

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