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What is the most common type of tissue cancer occurring between ages 15 and 19?
Stromatolites
Layered sedimentary formations created by the growth of microorganisms, representing some of the oldest evidence of life on Earth.
Oxygen-rich Atmosphere
An atmospheric condition where there is a high concentration of oxygen, significant for sustaining aerobic life forms.
Great Dying
An event at the end of the Permian period, about 252 million years ago, where there was a massive extinction of species.
Meteorite Impact
The collision of a meteorite with the Earth, creating craters and sometimes affecting climate and biological evolution.
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