subject
English, 16.10.2019 06:30 helpmeplzandty

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?

a. in any case
b. both
c. because
d. however

ansver
Answers: 1

Other questions on the subject: English

image
English, 21.06.2019 16:30, dookeyb2
What was the main idea or message taught by the ballad, "king john and the abbot of canterbury"?
Answers: 3
image
English, 21.06.2019 19:30, YuNgJoKeR
What is your interpretation of the purpose of "doris lessing wins nobel prize in literature? " the purpose of the new york times article "doris lessing wins nobel prize in literature" is to explain why lessing is overrated as a writer, the purpose of the new york times article "doris lessing wins nobel prize in literature" is to explain why lessing is underrated as a writer. he purpose of the new york times article "doris lessing wins nobel prize in literature" is to explain how lessing's background plays in her writing career. the purpose of the new york times article "doris lessing wins nobel prize in literature is to explain why lessing did not get married.
Answers: 2
image
English, 21.06.2019 21:00, Miznatnasah
Hamlet act 1 what does polonius tell ophelia to do? why?
Answers: 2
image
English, 22.06.2019 02:00, toddjordan1928
What is one way that “the maori: genealogies and origins in new zealand” contrasts with “the raven and the first men: the beginnings of the haida”? a. the maori myth features courage, but the haida myth does not. b. the maori myth features community, but the haida myth does not. c. the maori myth features the gods, but the haida myth does not. d. the maori myth features deception, but the haida myth does not.
Answers: 2
You know the right answer?
Both petroleum and coal are made up of complex carbon-based molecules, and both originated with livi...

Questions in other subjects:

Konu
English, 31.10.2020 01:00
Konu
Mathematics, 31.10.2020 01:00
Konu
Spanish, 31.10.2020 01:00
Konu
Mathematics, 31.10.2020 01:00
Konu
Mathematics, 31.10.2020 01:00