Answer:
Amphetamines are stimulant drugs. They make the messages between your brain and body move faster. As a result, you are more alert and physically active. Some people use amphetamines to help them stay awake on the job or to study for a test.
Explanation:
i thinks its 20 - 30 because 50-60 would judt be entirely to much.
False
The answer to your question is,
Differentiate between similar tissues.
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830 pm