Top Posters
Since Sunday
7
n
3
j
3
o
2
x
2
c
2
2
p
2
n
2
3
2
C
2
z
2
Home Q & A Board Science-Related Homework Help Physics Astronomy
New Topic  
adreamer adreamer
wrote...
Go to Answer
Posts: 891
Rep: 0 0
6 years ago
Careful observations of the sky by ancient cultures served the practical purpose of
A) keeping track of time
B) improving night vision
C) religious worship
D) keeping track of the changing position of the Earth around the Sun
Textbook 
Life in the Universe

Life in the Universe


Edition: 4th
Authors:
Read 93 times
1 Reply
Replies
Answer verified by a subject expert
19Clyde19Clyde
wrote...
#1
Top Poster
Posts: 584
Rep: 11 0
6 years ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

adreamer Author
wrote...

6 years ago
this is exactly what I needed
macbookpro1
wrote...

Yesterday
Correct Slight Smile TY
kater28
wrote...

2 hours ago
Thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  931 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1826
  
 920
  
 770
Your Opinion
Which industry do you think artificial intelligence (AI) will impact the most?
Votes: 352
Previous poll results: How often do you eat-out per week?