SAT OwlGreen roofs, rooftops covered with soil and plants, help keep buildings cool in summer by shading the roof surface and releasing moisture into the air. ______ they soak up rainwater that would otherwise rush into storm drains, which reduces the risk of flooding during heavy storms.
Which choice completes the text with the most logical transition?
For example,
Moreover,
Instead,
Still,
Show answer and explanation
Answer: B
The first sentence gives one benefit of green roofs (cooling), and the second gives a different benefit (absorbing rainwater). "Moreover" adds another point in the same direction.
"For example" would make absorbing rainwater an example of cooling a building, but it is a separate benefit.
Why the other choices are wrong
- A. This choice incorrectly frames absorbing rainwater as an example of cooling, but the text presents it as a separate benefit.
- C. This transition implies the second sentence replaces the first, but the text adds a new benefit rather than contrasting them.
- D. This word signals a contrast or concession, which is illogical because both sentences list positive benefits of green roofs.
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