× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
z
4
n
4
t
4
k
3
x
3
r
3
m
3
j
3
c
3
l
3
e
3
s
2
New Topic  
hamzawild6 hamzawild6
wrote...
Posts: 705
Rep: 0 0
6 years ago
After how many minutes of watching video monitors does the attention of most people fall to below acceptable levels?
 
  a. 10 c. 30 b. 20 d. 40
Read 34 times
1 Reply

Related Topics

Replies
wrote...
6 years ago

ANS: B
US Government experts on security technology hold that after 20 minutes of watching video monitors the attentin of most people falls to below aceptable levels.

New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  489 People Browsing
Related Images
  
 303
  
 301
  
 263
Your Opinion
What's your favorite math subject?
Votes: 559