24. Barbiturates have the opposite effect on the nervous system than amphetamines.
A.
True
B.
False

Answer these and you will be marked this is for 20 points

Which action is most likely to contribute to a positive self-image?

(i think the answer is either b or d can someone me? i’ll mark you brainliest) signs tell you what you can or can't do, and what you must do. a. regulatory b. warning c. guide d. construction