B) After ruling Europe several centuries, the Roman Empire collapses is not a continuity.
Answer: E - year only if non-OPEC nations, including Norway, Mexico, and Russia, trim output
Explanation: From the above question, we are looking for the best constructed sentence among the options given.
Looking through all the options, A and B with the phrase ...'but only if' is wrong.
Options C and D has some grammatical issues at the end of each statement which made them both not correct.
The only option we are left with is the option E which states that 'year only if non-OPEC nations, including Norway, Mexico, and Russia, trim output' is correct.
Answer:
During the past half century, desertification has affected much of the <u>Sahel.</u> :)
old fashion prejudice was different from today because back then every thing was one way and they did not like change. And these days prejudice is caused because people think that other people are not "cool" enough to hang out with them. So in the olden days it was because of race, these days its because people are rude and need Jesus.