Question

Without oil the modern world could not exist. Oil is needed for travel, because

it powers our motor cars, buses, trains, aeroplanes and ships. Oil helps

machines of all kinds, to run easily. Oil also gives us other substances, such as

artificial rubber, artificial materials for clothing, and new materials for making

things. Yet till a hundred years ago no one used oil for any of these purposes.

In fact, no one knew that much oil existed.

Men do not make oil; they find it. They look for oil in many ways. They begin

by making a map of the land where they are searching. Then they use the map

to help them in choosing a site to explore with more care. They start their work

by examining the rock from under the surface and come to know whether oil is

likely to be underneath the rock.

To find out how deeply the oil is buried they need to know how far under the

surface the rock is. If everything seems hopeful the men decide to drill down

through the rock. In this way they find out whether oil really does lie

underneath it. Often this test – well, as it is called, is far away from any town

and there is much work to do before any drilling starts. Houses and roads must

be built for the people coming to drill the test – well. Then the big derrick that

carries the drill must be put up. This derrick is a strong framework of steel

about 45 meters high. The drill is raised and lowered from inside the derrick.

Drilling for oil often means making a well that goes very deep into the earth.

Such deep wells have never been made until modern times. The rate of drilling

depends upon the kind of rock being drilled: it can be as fast as 60 meters an

hour. Drilling is usually done on dry land, but we can also drill the rock under

lakes or seas by putting the derrick on a special platform above the water.

1. How is oil useful to machines?

2. How do men go about looking for oil?

3. Drilling for oil often means _________

4. The rate of drilling depends upon ________

5. Drilling is usually done on ________

6. To find out how deeply the oil is buried we need to​

Answer 1

Answer:

1 )because

it's powers our motor cars, buses, trains, aeroplanes and ships

Answer 2

Answer:

1. Oil is useful to machines to run easily.

2. They began by making a map of the land where they are searching. then they use the map to help them in choosing a site explore with more care. They start their work by examining the rock from under the surface and come to know whether oil is likely to be underneath the rock

3. making well that goes very deep into the earth

4. the kind of rock being drilled

5. on dry land

6. know how far under the  surface the rock is

Explanation:

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