Top Posters
Since Sunday
r
4
L
4
3
d
3
M
3
l
3
V
3
s
3
d
3
a
3
g
3
j
3
Home Q & A Board Biology-Related Homework Help General Biology
New Topic  
Divya. Divya.
wrote...
Go to Answer
Posts: 966
Rep: 0 0
7 years ago
How does carbon dioxide enter a leaf?
A) CO2 passes through openings called stomata on the leaf surface.
B) CO2 diffuses through the epidermal cells into the mesophyll.
C) CO2 is moved by active transport into the leaf by special cells called guard cells.
D) Atmospheric pressure forces CO2 through pits on the leaf surface.
E) CO2 travels dissolved in the water in the xylem.
Read 161 times
1 Reply
Replies
Answer verified by a subject expert
skeledentskeledent
wrote...
#1
Top Poster
Posts: 1329
Rep: 22 0
7 years ago
Sign in or Sign up in seconds to unlock everything for free
1

Related Topics

Divya. Author
wrote...

7 years ago
This site is awesome
linlinlin
wrote...

Yesterday
this is exactly what I needed
Lourd Jenkins
wrote...

2 hours ago
Good timing, thanks!
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  2039 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Related Images
  
 869
  
 4491
  
 235
Your Opinion
Which country would you like to visit for its food?
Votes: 262
Previous poll results: Which industry do you think artificial intelligence (AI) will impact the most?