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What two fields of study provide the core information that is used to classify organisms?

Identify the composition of oceanic and continental crystal rocks.in a model of earth’s interior,where would these rocks appear?

The greenhouse effect a. something that has occurred for millions of years b. an unnatural phenomenon caused by humans that maintains earths temperature range. c. the results of the differences in the angle of the suns rays d. an unnatural phenomenon that causes heat energy to be radiated back into the atmosphere