Answer:
yes
Explanation:
The primary purpose of drug testing is not to punish students who use illicit drugs but to prevent future illicit drug use and to help students already involved with drugs become drug-free. If a student tests positive for drugs, schools can respond to the individual situation.
i guess because citrate or anything citric evaporates after in an open area.
Answer:
Papillae
Explanation:
↑ Bumps of tough skin on the surface of the tongue.
