English Language · English
Which choice completes the text so that it conforms to the conventions of Standard English? On sunny days, dark rooftops absorb solar energy and convert it to unwanted heat, raising the surrounding air ______ a light-colored covering to an existing dark roof, either by attaching prefabricated reflective sheets or spraying on a paint-like coating, helps combat this effect.
- 1temperature by adding
- 2temperature. Adding✓
- 3temperature, adding
- 4temperature; by adding
Correct answer
temperature. Adding
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