12. The carbon cycle goes through living systems in the process of: A) decomposition
B) respiration
C) photosynthesis
D) all of the above
13. During respiration, the herbivore in Figure 4. uses food and oxygen

Convert 0.14 kilograms to grams.grams

Which of these is not a function of some membrane proteins ? a.allowing polar molecules to enter the cell b.recognizing other types of cells c.receiving messeges from other cells b.carrying messages to oher cells

How does a gymnosperm prevent itself from pollinating the same tree