The element sodium has an atomic number of 11 and a mass number of 23. how many protons, neurons, and electrons does one atom contain?

Providing immunity by injecting the body with a weakened form a pathogen is known as

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

How does the carbon cycle involve an exchange of carbon