EARTH SCIENCE
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Science Bowl Question

📅 NSB Round Robin 2009🎓 HS🔄 Round 7#️⃣ Question 5🌟 BONUS📝 Multiple Choice

Trilobites are index fossils that lived:

W) in warm, ocean waters
X) during the Achaean geological time
Y) in desert environments
Z) in lakes, rivers and streams
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