Answer:
This test uses formaldehyde and sulfuric acid. The solution will turn purple when introduced to heroin, morphine, or other opium drugs.
Explanation:
Answer:
Theories may be proven to be true and become hypotheses. After an investigation, Kuri determines that her hypothesis was wrong.
the answer is definitely c or d, but im leaning more towards C
Answer:
Is untrustworthy or could be lying. Looks/sounds suspicious or changed there story
Explanation: