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Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
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Raider49 Raider49
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6 years ago

Ultramafic lava flows are significant in the Archean rock record because they indicate that Earth was 90 percent
  molten.
  a. True
  b. False
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saundrasmith243saundrasmith243
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6 years ago
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Raider49 Author
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6 years ago
this is exactly what I needed
7.prime7105
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Yesterday
This helped my grade so much Perfect
megan.xo
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2 hours ago
You make an excellent tutor!
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