Boiling can make water less what to drink?
germs safe energy pure harmful dangerous wet heat
A B C D E F G H
Boiling is the most reliable way to treat contaminated water.
Boiling can make water less harmful to drink
Boiling can make water less what to drink? (A) germs (B) safe (C) energy (D) pure (E) harmful (F) dangerous (G) wet (H) heat