Answer: In the atmosphere, nitrogen exists as a gas (N2), but in the soils it exists as nitrogen oxide, NO, and nitrogen dioxide, NO2, and when used as a fertilizer, can be found in other forms, such as ammonia, NH3, which can be processed even further into a different fertilizer, ammonium nitrate, or NH4NO3.
Explanation:
How does the water needed to carry out photosynthesis get to leaves?
A. through chlorophyll molecules
B. through vascular bundles
C. through stomata
D. through mesophyll cells
Answer:
D Butterfly, coral and amoeba came from pre existing cells
Explanation: