Why can’t most pathogens infect your skin? A. skin is too thick
B. skin has antigens
C. skin has immunity
D. skin has layers of dead cells

Select all the correct answers. for a claim about the natural world to be considered scientific, what attributes must it have? a).it must be applicable to future events and occurrences. b)it must be based on scientific observations that can be repeated in a controlled setting. c)it must be open to modification if new evidence doesn't completely support it. d)it must be consistent with only a small portion of relevant observations or data.