Question

a. In the following passage , fill in each of the numbered blanks with the correct form of the word given in brackets.
1) Petroleum, or crude oil, is one of the world's___(much) important natural resources. 2) Plastics , synthetic fibers, and other chemicals____(are) produced from petroleum . 3) It is also___ (use) to make lubricants and waxes. 4)However, its most important use is as a fuel for__ (heat), 5) for___(electric), and
for 6) ___ (power) vehicles. 7)Petroleum is also ___(know) as liquid gold
because of its many ___ (benefit)​

Answer 1

Answer:

Petroleum or crude oil, is one of the world’s (1) natural resources. Plastics, synthetic fibers and (2) chemicals are produced from petroleum. It is also used to make lubricants and waxes. (3), its most important use is as a fuel for heating, for (4) electricity and (5) for powering vehicles.

Explanation:

Answer 2

Explanation:

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