bot can u help me with unit4 lesson 16 relearn test for histroy

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What is the Ogallala Aquifer?

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1 point
a place where plants are grown in water rather than in soil
an underground rock formation in Texas that holds water
a rock formation where water flows up along the Louisiana border
a freshwater environment where animals and plants are raised

An underground rock formation in Texas that holds water.

ok next question

Why is petroleum such a sought-after natural resource? (hint: what can you make with petroleum?)
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1 point
It is a relatively clean burning source of fuel.
It is more difficult to extract than other fossil fuels.
It has such a wide variety of important uses.
It is an extremely rare substance.
Other:

It has such a wide variety of important uses. Petroleum is used to make gasoline, diesel fuel, and other similar products that power vehicles, as well as plastics, chemicals, and other important industrial products.

Why is petroleum such a sought-after natural resource? (hint: what can you make with petroleum?)

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A It is a relatively clean burning source of fuel.
B It is more difficult to extract than other fossil fuels.
C It has such a wide variety of important uses.
D It is an extremely rare substance.
E Other:

C It has such a wide variety of important uses. Petroleum is used to make gasoline, diesel fuel, and other similar products that power vehicles, as well as plastics, chemicals, and other important industrial products.

Why did OPEC issue an oil embargo in 1973?

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1 point
In response to the dropping price of oil caused by their own overproduction.
In response to the U.S. decision to help Israel in the Yom Kippur War.
To encourage the U.S. to increase its oil production
To protect dwindling oil reserves in Arab countries

In response to the U.S. decision to help Israel in the Yom Kippur War.

Why is Howard Hughes, Sr., an important figure in Texas history?

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1 point
He revolutionized the oil industry by inventing the two-cone rotary drill bit for easier oil-drilling in hard rock.
He revolutionized the farming industry by inventing new plowing methods.
He revolutionized the aviation industry
He was the first Republican governor of Texas.