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Course: Digital SAT Reading and Writing  > Unit 3

Lesson 8: Transitions
Test prep
Digital SAT Reading and Writing
Medium: SAT Reading and Writing
Transitions
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Transitions: medium

Google Classroom

Problem

For years, biologists have experimented with using grime-eating bacteria rather than harsh chemicals to clean artworks, and results have been impressive overall. ______ these bacterial strains—which can metabolize centuries’ worth of oil, glue, dirt, and other surface impurities without creating harmful byproducts—have proven more effective than traditional chemical cleaning methods.
Which choice completes the text with the most logical transition?
Choose 1 answer: