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 Physics
New Topic  
symbo symbo
wrote...
Go to Answer
Posts: 1970
Rep: 2 0
7 years ago
The Earth's average density (5520 kg/m3) is slightly higher than that of Mercury (5430 kg/m3).  This is because
A)   the Earth has a larger iron core in proportion to its size than Mercury has.
B)   the Earth is more massive than Mercury and has therefore become more compressed, gravitationally.
C)   Mercury's interior has expanded slightly because of radioactive heating, thereby reducing its density since its formation.
D)   the Earth has a denser atmosphere than Mercury has.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
Read 110 times
2 Replies
Replies
Answer verified by a subject expert
hyponoticahyponotica
wrote...
#1
Top Poster
Posts: 1396
Rep: 28 0
7 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

symbo Author
wrote...
#2
6 years ago
Very informative, I appreciate the extra effort
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1222 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 267
  
 301
  
 3941
Your Opinion
Do you believe in global warming?
Votes: 370
Previous poll results: What's your favorite math subject?