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You must write an article if you think there is a link between it asteroid impact and a dinosaur's extinction. explain the correlation between the two events I'm provide evidence within the article that you write that supports your claims.
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They can be dated using radioactive carbon. But for rocks older than 50 thousand years they look for layers of igneous rock or volcanic ash above and Bellow the layer of rock/fossil.
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A calorimeter is an apparatus for measuring the amount of heat involved in a chemical reaction or other process.
The atomic number is the numbers of protons
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kinetic energy
the is because all of them are moving at once