Answer: The bacteria break down organic material that contain nitrogen and release it back into the cycle.
For example, bacteria breaks down a leaf, then it will release the nitrogen into the soil for plant.
Answer:
The circulatory system carries oxygen, nutrients, and hormones to cells, and removes waste products, like carbon dioxide.
Explanation:
hope this helps
Answer:
C. Outer Core
Explanation:
a good thing to remember is that the inner core is solid and the outer core is liquid
I believe the answer you are looking for is they are all body systems found in the human body, or organ systems.
