What are the best things to do to boost immune system

Would really appreciate it, i have an idea but not completely sure

Researchers want to use edna to look for an invasive species in the water which of the steps would be likely do last

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