Connection Stand Submit Test
Q-Science-Gr7-SQSA1-CBT (2020-21) Question: 1-9
Evidence suggests that Earth is about 4.6 billion years old, even though no Earth rocks have been found that can be dated at more than 4 bilion years old. This discrepancy is most likely caused by Earth's
original crust being
Difficult to date so precisely
Subject to extensive erosion
Blasted away during Earth's formation
Destroyed by solar radiation
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