× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
2
1
1
z
1
New Topic  
kitty kitty
wrote...
Posts: 590
Rep: 0 0
6 years ago
Free-running periods of sleep-wake cycles are
 
  A) the pauses between free-running cycles.
  B) invariably lengthened by zeitgebers.
  C) invariably shortened by zeitgebers.
  D) usually longer than 24 hours.
  E) usually shorter than 24 hours.
Read 44 times
1 Reply
Replies
Answer verified by a subject expert
dc0063dc0063
wrote...
Top Poster
Posts: 728
Rep: 4 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

kitty Author
wrote...

6 years ago
Just got PERFECT on my quiz
wrote...

Yesterday
Correct Slight Smile TY
wrote...

2 hours ago
Brilliant
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1179 People Browsing
Related Images
  
 214
  
 293
  
 239
Your Opinion
Which country would you like to visit for its food?
Votes: 215