The revised or rewritten sentence is given as follows:
"Extensive quality control measures that are unique to this pipeline exists."
<h3>What is a revision?</h3>
A revision entails redoing a sentence by altering it's structure syntax etc.
In this case, the phrase "There are" is replaced by exists."
Learn more about rewriting a sentence at;
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Answer:
C. a straight line sloping downward (atmospheric CO2 levels would not seasonally oscillate, but would have decreased over time)
Explanation:
Near the equator, Earth's entire climate mirrored for persistence of atmospheric environment. If Keeling had collected his atmospheric CO2 data on such an Earth, a straight line sloping downward (atmospheric CO2 levels would not seasonally oscillate, but would have decreased over time).
similar than different because they have important values in common.