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Mathematics 14 Online
OpenStudy (anonymous):

I KNOW THIS ISN'T THE SCIENCE SECTION BUT CAN SOMEONE HELP ME PLEASE?! Nobody is answering me in the science/biology section, it's only one question help me please?! How old is Planet Earth? Cite 2 or 3 pieces of scientific evidence to support your answer.

OpenStudy (anonymous):

Earth is about 4.5 billion years old.

OpenStudy (anonymous):

Correct :)

OpenStudy (anonymous):

I saw it on my study guide

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