Top Posters
Since Sunday
e
4
h
4
h
4
m
3
d
3
B
3
o
3
w
3
H
3
a
3
c
3
k
3
Home Q & A Board Science-Related Homework Help Geography and Earth Sciences
New Topic  
drelog drelog
wrote...
Go to Answer
Posts: 2711
Rep: 28 1
8 years ago
A major obstacle the first land plants had to overcome was ________.
A) eliminating waste materials in the atmosphere
B) staying upright despite gravity and wind on land
C) finding food on land where there were no organic compounds
D) the large number of plant eating organisms on land
E) their lack of mobility because they needed water access
Textbook 
Earth Science

Earth Science


Edition: 14th
Authors:
Read 815 times
2 Replies
ןnɟʎoɾ sʎɐʍן∀ Slight Smile
Replies
Answer verified by a subject expert
PulsaPulsa
wrote...
#1
Top Poster
Posts: 1845
Rep: 393 0
8 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

drelog Author
wrote...
#2
8 years ago
This works! Smiling Face with Open Mouth
ןnɟʎoɾ sʎɐʍן∀ Slight Smile
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1339 People Browsing
 247 Signed Up Today
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 9126
  
 272
  
 608
Your Opinion
Previous poll results: How often do you eat-out per week?