× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
5
a
5
k
5
c
5
B
5
l
5
C
4
s
4
a
4
t
4
i
4
r
4
Home Q & A Board Science-Related Homework Help Psychology
New Topic  
aschaffer aschaffer
wrote...
Go to Answer
Posts: 715
Rep: 0 0
6 years ago
Reduction of central nervous system activity is the defining feature of
 
  a. stimulants.
  b. hallucinogens. c. depressants.
  d. amphetamines.
  e. stimulants and amphetamines.
Read 55 times
1 Reply
Replies
Answer verified by a subject expert
dr c.dr c.
wrote...
#1
Top Poster
Posts: 920
Rep: 5 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

aschaffer Author
wrote...

6 years ago
Helped a lot
Evolution
wrote...

Yesterday
Thanks
sadiewolf
wrote...

2 hours ago
You make an excellent tutor!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1267 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 820
  
 235
  
 260
Your Opinion
Who will win the 2024 president election?
Votes: 3
Closes: November 4
Previous poll results: Which is the best fuel for late night cramming?