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Course: Digital SAT Reading and Writing  > Unit 2

Lesson 8: Transitions
Test prep
Digital SAT Reading and Writing
Foundations: SAT Reading and Writing
Transitions
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Transitions: foundations

Google Classroom

Problem

It has long been thought that humans first crossed a land bridge into the Americas approximately 13,000 years ago. ______ based on radiocarbon dating of samples uncovered in Mexico, a research team recently suggested that humans may have arrived more than 30,000 years ago—much earlier than previously thought.
Which choice completes the text with the most logical transition?
Choose 1 answer: