Answer:
yes, even though they are still intact they can sill build up bacteria/germs.
Explanation:
Hope this helps!
Answer:
Human subject research is systematic, scientific investigation that can be either interventional (a "trial") or observational (no "test and Human subject research can be either medical (clinical) research or non-medical (e.g., social science) research.
Answer:
TATTS is tattoo. Just plural noun usage.
Explanation:
It's permanent unless you go to a specialist and laser the tattoo off.
