/u/Trendsetters18's posts
When Pangea divided, the seperate land masses gradually grew further apart. Does this mean that one day, they will again reunite on the opposite sides? Hypothetically, how long would that process take?
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We are told that X-Rays are dangerous because the radiation is known to cause cancer. Then when we are diagnosed with cancer, it is treated with radiation. Is this a different type of radiation?
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