A disease causing bacteria successfully enters your body make it past the first and second lines of defense. Which barrier will then act on the bacteria

If assuming tasting ptc as a simple gene trait,what other genotype would you select to put in this missing genotype box that could result in this phenotype

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

What are some natural processes that represent physical and chemical changes?