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History, 30.09.2020 01:01 philkas414
This question is based on the following paragraph.
Both petroleum and coal are made up of complex carbon-based molecules, and both originated with living creatures of some kind. Both are vital sources of
energy for the modern world and both were formed by geologic processes over millions of years. However, petroleum was mainly formed from the remains of
ocean-dwelling microorganisms. Coal, on the other hand, originated from decayed vegetation in ancient swamps and bogs. In any case, it took millions of years
for both coal and oil to be produced. This is the case because it took that much time for overlying sediments to produce the unimaginable heat and pressure
that would one day allow us to harvest these energy resources.
What is one clue word or phrase in the passage that indicates a contrast?
O A. In any case
O B. Because
O C. However
O D. Both
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Answers: 3
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This question is based on the following paragraph.
Both petroleum and coal are made up of complex c...
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