Question

In oil wells, -------- is always found above the layer of petroleum.
Cleaner fuel
Natural gas
--------- is worldwide, one of the largest source of carbon dioxide emissions.
Petroleum
Coal
----------is used for dry cleaning of clothes.
Gasoline
Petroleum gas
A dark coloured, viscous and foul-smelling liquid is commonly called-----------.
Crude oil
Rock oil
Both
World's first oil refinery was opened at -------
U S A
China
Romania
------------- is example of exhaustible sources of energy
Biomass
Natural gas​

Answer 1

Answer:

In oil wells, NATURAL GAS is always found above the layer of petroleum.

COAL is worldwide, one of the largest source of carbon dioxide emissions.

GASOLINE is used for dry cleaning of clothes.

A dark coloured, viscous and foul-smelling liquid is commonly called CRUDE OIL

World's first oil refinery was opened at CHINA

NATURAL GAS is example of exhaustible sources of energy

Explanation:

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