× Didn't find what you were looking for? Ask a question
Top Posters
Since Sunday
6
s
3
3
d
3
s
2
c
2
G
2
y
2
t
2
2
k
2
j
2
New Topic  
peeeps peeeps
wrote...
Posts: 740
Rep: 0 0
6 years ago
The frustule of diatoms is made of:
 
  a. cellulose.
  b. calcium carbonate.
  c. silica.
  d. protein.
  e. starch.
Read 35 times
2 Replies

Related Topics

Replies
wrote...
6 years ago
C
peeeps Author
wrote...
6 years ago
Study Force is my secret getaway
New Topic      
Explore
Post your homework questions and get free online help from our incredible volunteers
  1031 People Browsing
Related Images
  
 354
  
 284
  
 334
Your Opinion
Which country would you like to visit for its food?
Votes: 261

Previous poll results: How often do you eat-out per week?