Which two substances have parts of their cycles in which the substance must be "fixed"?

a.) sulfur and oxygen

b.) nitrogen and water

c.) carbon and nitrogen

d.) water and phosphorous

Name the glands associated with human digestive system

What are two examples of conduction that we use everyday

Acell goes through cellular respiration and produces atp which it then uses to move a molecule across the cell membrane. how does the energy in the original glucose molecule change during this process? (2 points)