Question

Phytoplankton are essential because they produce which of the following?

A.
oxygen

B.
nitrogen

C.
sulfur

D.
phosphorus

Answer 1

@mathstudent55

Answer 2

@aaronq

Answer 3

@bohotness

Answer 4

@Nnesha

Answer 5

which one do you think it is?

Answer 6

oxygen

Answer 7

corrcet :D

Answer 8

i got the answer 20 min ago

Answer 9

-.-

Answer 10

-_- shake my head

Answer 11

im very boody

Answer 12

sory i ment to say booty

Answer 13

sorry again i ment moody

Answer 14

how do u spell cupcake

Answer 15

whats is 9+10

Answer 16

@Maria195

Answer 17

@akonkel

Answer 18

A :)

Answer 19

And your answer to 9+10= 21!

Answer 20

http://www.youtube.com/watch?v=xhGYtCdcV7I