Please answer quick and correctly

How many types of rock can form from the rock cycle

This class has taught you that the use of science and medicine in practical ways has become an international endeavor. one of the greatest examples of an international science accomplishment is which allows the profiling of human dna, useful not only to science but also medicine. a) forensic science b) the fbi c) the human genome project d) bioterrorism

When lactate builds up in a runners muscles it causes a burning sensation what causes this to occur